3208949961 has 16 divisors (see below), whose sum is σ = 4891521024. Its totient is φ = 1833051024.

The previous prime is 3208949929. The next prime is 3208949977. The reversal of 3208949961 is 1699498023.

3208949961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3208949961 - 2⁵ = 3208949929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3208949561) 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, 39496 + ... + 89318.

It is an arithmetic number, because the mean of its divisors is an integer number (305720064).

Almost surely, 2^3208949961 is an apocalyptic number.

It is an amenable number.

3208949961 is a deficient number, since it is larger than the sum of its proper divisors (1682571063).

3208949961 is a wasteful number, since it uses less digits than its factorization.

3208949961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52900.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 3208949961 is about 56647.5944855560. The cubic root of 3208949961 is about 1474.9851513970.

The spelling of 3208949961 in words is "three billion, two hundred eight million, nine hundred forty-nine thousand, nine hundred sixty-one".