3949329494 has 32 divisors (see below), whose sum is σ = 6755823360. Its totient is φ = 1713967200.

The previous prime is 3949329487. The next prime is 3949329497. The reversal of 3949329494 is 4949239493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949329497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282092 + ... + 295760.

It is an arithmetic number, because the mean of its divisors is an integer number (211119480).

Almost surely, 2^3949329494 is an apocalyptic number.

3949329494 is a deficient number, since it is larger than the sum of its proper divisors (2806493866).

3949329494 is a wasteful number, since it uses less digits than its factorization.

3949329494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14276.

The product of its digits is 7558272, while the sum is 56.

The square root of 3949329494 is about 62843.6909641692. The cubic root of 3949329494 is about 1580.6696800653.

Subtracting 3949329494 from its reverse (4949239493), we obtain a palindrome (999909999).

The spelling of 3949329494 in words is "three billion, nine hundred forty-nine million, three hundred twenty-nine thousand, four hundred ninety-four".