2631389681292 has 96 divisors (see below), whose sum is σ = 6203654037504. Its totient is φ = 868064059200.

The previous prime is 2631389681279. The next prime is 2631389681311. The reversal of 2631389681292 is 2921869831362.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1275515053 + ... + 1275517115.

It is an arithmetic number, because the mean of its divisors is an integer number (64621396224).

Almost surely, 2^{2631389681292} is an apocalyptic number.

It is an amenable number.

2631389681292 is an abundant number, since it is smaller than the sum of its proper divisors (3572264356212).

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

2631389681292 is a wasteful number, since it uses less digits than its factorization.

2631389681292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019 (or 4017 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 60.

The spelling of 2631389681292 in words is "two trillion, six hundred thirty-one billion, three hundred eighty-nine million, six hundred eighty-one thousand, two hundred ninety-two".