3955659407 has 18 divisors (see below), whose sum is σ = 4624422768. Its totient is φ = 3373743072.

The previous prime is 3955659403. The next prime is 3955659509. The reversal of 3955659407 is 7049565593.

It is not a de Polignac number, because 3955659407 - 2² = 3955659403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955659403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2659418 + ... + 2660904.

It is an arithmetic number, because the mean of its divisors is an integer number (256912376).

Almost surely, 2^3955659407 is an apocalyptic number.

3955659407 is a deficient number, since it is larger than the sum of its proper divisors (668763361).

3955659407 is an equidigital number, since it uses as much as digits as its factorization.

3955659407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 53.

The square root of 3955659407 is about 62894.0331589571. The cubic root of 3955659407 is about 1581.5137187628.

The spelling of 3955659407 in words is "three billion, nine hundred fifty-five million, six hundred fifty-nine thousand, four hundred seven".