2391345917376 has 56 divisors (see below), whose sum is σ = 6813802957584. Its totient is φ = 735798743040.

The previous prime is 2391345917299. The next prime is 2391345917381. The reversal of 2391345917376 is 6737195431932.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479033145 + ... + 479038136.

It is an arithmetic number, because the mean of its divisors is an integer number (121675052814).

Almost surely, 2^{2391345917376} is an apocalyptic number.

2391345917376 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2391345917376 is an abundant number, since it is smaller than the sum of its proper divisors (4422457040208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2391345917376 is a wasteful number, since it uses less digits than its factorization.

2391345917376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958071309 (or 958071299 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 60.

The spelling of 2391345917376 in words is "two trillion, three hundred ninety-one billion, three hundred forty-five million, nine hundred seventeen thousand, three hundred seventy-six".