2631910639542 has 16 divisors (see below), whose sum is σ = 5302243333872. Its totient is φ = 870899870720.

The previous prime is 2631910639537. The next prime is 2631910639559. The reversal of 2631910639542 is 2459360191362.

It is a super-2 number, since 2×2631910639542² (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 7 ways as a sum of consecutive naturals, for example, 1600918059 + ... + 1600919702.

It is an arithmetic number, because the mean of its divisors is an integer number (331390208367).

Almost surely, 2^{2631910639542} is an apocalyptic number.

2631910639542 is an abundant number, since it is smaller than the sum of its proper divisors (2670332694330).

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

2631910639542 is a wasteful number, since it uses less digits than its factorization.

2631910639542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201837903.

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 2631910639542 in words is "two trillion, six hundred thirty-one billion, nine hundred ten million, six hundred thirty-nine thousand, five hundred forty-two".