3901662501634 has 16 divisors (see below), whose sum is σ = 6010725454776. Its totient is φ = 1898088336000.

The previous prime is 3901662501559. The next prime is 3901662501673. The reversal of 3901662501634 is 4361052661093.

It can be written as a sum of positive squares in 4 ways, for example, as 3805999104609 + 95663397025 = 1950897^2 + 309295^2 .

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 7 ways as a sum of consecutive naturals, for example, 11442654 + ... + 11778694.

Almost surely, 2^{3901662501634} is an apocalyptic number.

3901662501634 is a deficient number, since it is larger than the sum of its proper divisors (2109062953142).

3901662501634 is a wasteful number, since it uses less digits than its factorization.

3901662501634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492981.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 3901662501634 in words is "three trillion, nine hundred one billion, six hundred sixty-two million, five hundred one thousand, six hundred thirty-four".