2631305326436 has 12 divisors (see below), whose sum is σ = 4605828757740. Its totient is φ = 1315354252800.

The previous prime is 2631305326421. The next prime is 2631305326459. The reversal of 2631305326436 is 6346235031362.

It can be written as a sum of positive squares in 2 ways, for example, as 1554774572836 + 1076530753600 = 1246906^2 + 1037560^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74582765 + ... + 74618036.

It is an arithmetic number, because the mean of its divisors is an integer number (383819063145).

Almost surely, 2^{2631305326436} is an apocalyptic number.

It is an amenable number.

2631305326436 is a deficient number, since it is larger than the sum of its proper divisors (1974523431304).

2631305326436 is a wasteful number, since it uses less digits than its factorization.

2631305326436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149205214 (or 149205212 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 44.

The spelling of 2631305326436 in words is "two trillion, six hundred thirty-one billion, three hundred five million, three hundred twenty-six thousand, four hundred thirty-six".