1365312679 has 2 divisors, whose sum is σ = 1365312680. Its totient is φ = 1365312678.

The previous prime is 1365312677. The next prime is 1365312709. The reversal of 1365312679 is 9762135631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1365312679 - 2¹ = 1365312677 is a prime.

It is a super-2 number, since 2×1365312679² = 3728157422876314082, which contains 22 as substring.

Together with 1365312677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1365312673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682656339 + 682656340.

It is an arithmetic number, because the mean of its divisors is an integer number (682656340).

Almost surely, 2^1365312679 is an apocalyptic number.

1365312679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365312679 is an equidigital number, since it uses as much as digits as its factorization.

1365312679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 1365312679 is about 36950.1377399327. The cubic root of 1365312679 is about 1109.3724448254.

The spelling of 1365312679 in words is "one billion, three hundred sixty-five million, three hundred twelve thousand, six hundred seventy-nine".