3900403890275 has 6 divisors (see below), whose sum is σ = 4836500823972. Its totient is φ = 3120323112200.

The previous prime is 3900403890239. The next prime is 3900403890277. The reversal of 3900403890275 is 5720983040093.

It is a happy number.

It is not a de Polignac number, because 3900403890275 - 2¹⁶ = 3900403824739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3900403890277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78008077781 + ... + 78008077830.

It is an arithmetic number, because the mean of its divisors is an integer number (806083470662).

Almost surely, 2^{3900403890275} is an apocalyptic number.

3900403890275 is a deficient number, since it is larger than the sum of its proper divisors (936096933697).

3900403890275 is a wasteful number, since it uses less digits than its factorization.

3900403890275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156016155621 (or 156016155616 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 3900403890275 in words is "three trillion, nine hundred billion, four hundred three million, eight hundred ninety thousand, two hundred seventy-five".