3261630838726 has 16 divisors (see below), whose sum is σ = 5302347445584. Its totient is φ = 1495779745824.

The previous prime is 3261630838703. The next prime is 3261630838733. The reversal of 3261630838726 is 6278380361623.

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, 399509740 + ... + 399517903.

It is an arithmetic number, because the mean of its divisors is an integer number (331396715349).

Almost surely, 2^{3261630838726} is an apocalyptic number.

3261630838726 is a deficient number, since it is larger than the sum of its proper divisors (2040716606858).

3261630838726 is a wasteful number, since it uses less digits than its factorization.

3261630838726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799027815.

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 3261630838726 in words is "three trillion, two hundred sixty-one billion, six hundred thirty million, eight hundred thirty-eight thousand, seven hundred twenty-six".