3949501172644 has 12 divisors (see below), whose sum is σ = 6911853454044. Its totient is φ = 1974685900064.

The previous prime is 3949501172587. The next prime is 3949501172671. The reversal of 3949501172644 is 4462711059493.

3949501172644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 233203999744 + 3716297172900 = 482912^2 + 1927770^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16034059 + ... + 16278514.

It is an arithmetic number, because the mean of its divisors is an integer number (575987787837).

Almost surely, 2^{3949501172644} is an apocalyptic number.

It is an amenable number.

3949501172644 is a deficient number, since it is larger than the sum of its proper divisors (2962352281400).

3949501172644 is a wasteful number, since it uses less digits than its factorization.

3949501172644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32343134 (or 32343132 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 3949501172644 in words is "three trillion, nine hundred forty-nine billion, five hundred one million, one hundred seventy-two thousand, six hundred forty-four".