1392321864613 has 2 divisors, whose sum is σ = 1392321864614. Its totient is φ = 1392321864612.

The previous prime is 1392321864599. The next prime is 1392321864673. The reversal of 1392321864613 is 3164681232931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1390555091524 + 1766773089 = 1179218^2 + 42033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1392321864613 is a prime.

It is a super-2 number, since 2×1392321864613² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1392321864673) 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, 696160932306 + 696160932307.

It is an arithmetic number, because the mean of its divisors is an integer number (696160932307).

Almost surely, 2^{1392321864613} is an apocalyptic number.

It is an amenable number.

1392321864613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392321864613 is an equidigital number, since it uses as much as digits as its factorization.

1392321864613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 49.

The spelling of 1392321864613 in words is "one trillion, three hundred ninety-two billion, three hundred twenty-one million, eight hundred sixty-four thousand, six hundred thirteen".