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2069361761 is a prime number
BaseRepresentation
bin111101101010111…
…1111010001100001
312100012212110200012
41323111333101201
513214224034021
6541201334305
7102165166445
oct17325772141
95305773605
102069361761
11972112135
12499037395
1326c95151c
14158b92825
15c1a1435b
hex7b57f461

2069361761 has 2 divisors, whose sum is σ = 2069361762. Its totient is φ = 2069361760.

The previous prime is 2069361751. The next prime is 2069361769. The reversal of 2069361761 is 1671639602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1190595025 + 878766736 = 34505^2 + 29644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2069361761 is a prime.

It is a super-2 number, since 2×20693617612 = 8564516195778042242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2069361769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034680880 + 1034680881.

It is an arithmetic number, because the mean of its divisors is an integer number (1034680881).

Almost surely, 22069361761 is an apocalyptic number.

It is an amenable number.

2069361761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069361761 is an equidigital number, since it uses as much as digits as its factorization.

2069361761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 2069361761 is about 45490.2380846704. The cubic root of 2069361761 is about 1274.3209016677.

The spelling of 2069361761 in words is "two billion, sixty-nine million, three hundred sixty-one thousand, seven hundred sixty-one".