1252343390799 has 16 divisors (see below), whose sum is σ = 1679764135680. Its totient is φ = 829920599040.

The previous prime is 1252343390759. The next prime is 1252343390819. The reversal of 1252343390799 is 9970933432521.

It is not a de Polignac number, because 1252343390799 - 2²⁷ = 1252209173071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252343390759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997939 + ... + 1870980.

It is an arithmetic number, because the mean of its divisors is an integer number (104985258480).

Almost surely, 2^{1252343390799} is an apocalyptic number.

1252343390799 is a deficient number, since it is larger than the sum of its proper divisors (427420744881).

1252343390799 is a wasteful number, since it uses less digits than its factorization.

1252343390799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869790.

The product of its (nonzero) digits is 11022480, while the sum is 57.

The spelling of 1252343390799 in words is "one trillion, two hundred fifty-two billion, three hundred forty-three million, three hundred ninety thousand, seven hundred ninety-nine".