3959950642 has 16 divisors (see below), whose sum is σ = 6089328000. Its totient is φ = 1930246560.

The previous prime is 3959950637. The next prime is 3959950681. The reversal of 3959950642 is 2460599593.

It is a self number, because there is not a number n which added to its sum of digits gives 3959950642.

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, 97459 + ... + 131977.

It is an arithmetic number, because the mean of its divisors is an integer number (380583000).

Almost surely, 2^3959950642 is an apocalyptic number.

3959950642 is a deficient number, since it is larger than the sum of its proper divisors (2129377358).

3959950642 is a wasteful number, since it uses less digits than its factorization.

3959950642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35961.

The product of its (nonzero) digits is 2624400, while the sum is 52.

The square root of 3959950642 is about 62928.1387139331. The cubic root of 3959950642 is about 1582.0854055263.

The spelling of 3959950642 in words is "three billion, nine hundred fifty-nine million, nine hundred fifty thousand, six hundred forty-two".