1392791062639 has 2 divisors, whose sum is σ = 1392791062640. Its totient is φ = 1392791062638.

The previous prime is 1392791062633. The next prime is 1392791062651. The reversal of 1392791062639 is 9362601972931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1392791062639 - 2⁷ = 1392791062511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1392791062633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696395531319 + 696395531320.

It is an arithmetic number, because the mean of its divisors is an integer number (696395531320).

Almost surely, 2^{1392791062639} is an apocalyptic number.

1392791062639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392791062639 is an equidigital number, since it uses as much as digits as its factorization.

1392791062639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6613488, while the sum is 58.

The spelling of 1392791062639 in words is "one trillion, three hundred ninety-two billion, seven hundred ninety-one million, sixty-two thousand, six hundred thirty-nine".