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1079695909 is a prime number
BaseRepresentation
bin100000001011010…
…1101101000100101
32210020122020100101
41000112231220211
54202400232114
6255045344101
735520156325
oct10026555045
92706566311
101079695909
11504507576
12261708031
131428c2026
14a3575285
1564bc4d74
hex405ada25

1079695909 has 2 divisors, whose sum is σ = 1079695910. Its totient is φ = 1079695908.

The previous prime is 1079695873. The next prime is 1079695921. The reversal of 1079695909 is 9095969701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 924768100 + 154927809 = 30410^2 + 12447^2 .

It is a cyclic number.

It is not a de Polignac number, because 1079695909 - 213 = 1079687717 is a prime.

It is a super-2 number, since 2×10796959092 = 2331486511822672562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1079695909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1079695949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539847954 + 539847955.

It is an arithmetic number, because the mean of its divisors is an integer number (539847955).

Almost surely, 21079695909 is an apocalyptic number.

It is an amenable number.

1079695909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079695909 is an equidigital number, since it uses as much as digits as its factorization.

1079695909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1377810, while the sum is 55.

The square root of 1079695909 is about 32858.7265273626. The cubic root of 1079695909 is about 1025.8892648381.

The spelling of 1079695909 in words is "one billion, seventy-nine million, six hundred ninety-five thousand, nine hundred nine".