2507982397789 has 64 divisors (see below), whose sum is σ = 2826032654592. Its totient is φ = 2206743552000.

The previous prime is 2507982397751. The next prime is 2507982397799. The reversal of 2507982397789 is 9877932897052.

It is a cyclic number.

It is not a de Polignac number, because 2507982397789 - 2³⁵ = 2473622659421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2507982397799) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3840707787 + ... + 3840708439.

It is an arithmetic number, because the mean of its divisors is an integer number (44156760228).

Almost surely, 2^{2507982397789} is an apocalyptic number.

It is an amenable number.

2507982397789 is a deficient number, since it is larger than the sum of its proper divisors (318050256803).

2507982397789 is a wasteful number, since it uses less digits than its factorization.

2507982397789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246.

The product of its (nonzero) digits is 960180480, while the sum is 76.

The spelling of 2507982397789 in words is "two trillion, five hundred seven billion, nine hundred eighty-two million, three hundred ninety-seven thousand, seven hundred eighty-nine".