3949520922494 has 72 divisors (see below), whose sum is σ = 7224414783600. Its totient is φ = 1618567493928.

The previous prime is 3949520922493. The next prime is 3949520922547. The reversal of 3949520922494 is 4942290259493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949520922493) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1197185657 + ... + 1197188955.

Almost surely, 2^{3949520922494} is an apocalyptic number.

3949520922494 is a deficient number, since it is larger than the sum of its proper divisors (3274893861106).

3949520922494 is an frugal number, since it uses more digits than its factorization.

3949520922494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667 (or 3331 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 62.

The spelling of 3949520922494 in words is "three trillion, nine hundred forty-nine billion, five hundred twenty million, nine hundred twenty-two thousand, four hundred ninety-four".