3865413504906 has 24 divisors (see below), whose sum is σ = 8517012809760. Its totient is φ = 1266632673576.

The previous prime is 3865413504899. The next prime is 3865413504917. The reversal of 3865413504906 is 6094053145683.

3865413504906 is a `hidden beast` number, since 3 + 8 + 6 + 5 + 41 + 3 + 504 + 90 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1819873470 + ... + 1819875593.

It is an arithmetic number, because the mean of its divisors is an integer number (354875533740).

Almost surely, 2^{3865413504906} is an apocalyptic number.

3865413504906 is an abundant number, since it is smaller than the sum of its proper divisors (4651599304854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3865413504906 is a wasteful number, since it uses less digits than its factorization.

3865413504906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639749130 (or 3639749127 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 3865413504906 in words is "three trillion, eight hundred sixty-five billion, four hundred thirteen million, five hundred four thousand, nine hundred six".