1392043905613 has 2 divisors, whose sum is σ = 1392043905614. Its totient is φ = 1392043905612.

The previous prime is 1392043905611. The next prime is 1392043905617. The reversal of 1392043905613 is 3165093402931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1391826579049 + 217326564 = 1179757^2 + 14742^2 .

It is a cyclic number.

It is not a de Polignac number, because 1392043905613 - 2¹ = 1392043905611 is a prime.

Together with 1392043905611, 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 (1392043905611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696021952806 + 696021952807.

It is an arithmetic number, because the mean of its divisors is an integer number (696021952807).

Almost surely, 2^{1392043905613} is an apocalyptic number.

It is an amenable number.

1392043905613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392043905613 is an equidigital number, since it uses as much as digits as its factorization.

1392043905613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 1392043905613 in words is "one trillion, three hundred ninety-two billion, forty-three million, nine hundred five thousand, six hundred thirteen".