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1368289379 is a prime number
BaseRepresentation
bin101000110001110…
…0111000001100011
310112100200022011102
41101203213001203
510300240230004
6343435105015
745623160602
oct12143470143
93470608142
101368289379
11642400076
123222a216b
1318a627cb2
14cda19a39
15801ce11e
hex518e7063

1368289379 has 2 divisors, whose sum is σ = 1368289380. Its totient is φ = 1368289378.

The previous prime is 1368289303. The next prime is 1368289399. The reversal of 1368289379 is 9739828631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1368289379 - 220 = 1367240803 is a prime.

It is a super-3 number, since 3×13682893793 (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1368289399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684144689 + 684144690.

It is an arithmetic number, because the mean of its divisors is an integer number (684144690).

Almost surely, 21368289379 is an apocalyptic number.

1368289379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368289379 is an equidigital number, since it uses as much as digits as its factorization.

1368289379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The square root of 1368289379 is about 36990.3957670096. The cubic root of 1368289379 is about 1110.1780898142.

The spelling of 1368289379 in words is "one billion, three hundred sixty-eight million, two hundred eighty-nine thousand, three hundred seventy-nine".