2491630593144 has 128 divisors (see below), whose sum is σ = 8016641556480. Its totient is φ = 626300092800.

The previous prime is 2491630593079. The next prime is 2491630593169. The reversal of 2491630593144 is 4413950361942.

It is a super-2 number, since 2×2491630593144² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21689244 + ... + 21803819.

It is an arithmetic number, because the mean of its divisors is an integer number (62630012160).

Almost surely, 2^{2491630593144} is an apocalyptic number.

2491630593144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2491630593144 is an abundant number, since it is smaller than the sum of its proper divisors (5525010963336).

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

2491630593144 is a wasteful number, since it uses less digits than its factorization.

2491630593144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43493121 (or 43493117 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 2491630593144 in words is "two trillion, four hundred ninety-one billion, six hundred thirty million, five hundred ninety-three thousand, one hundred forty-four".