3971408553 has 12 divisors (see below), whose sum is σ = 6555976128. Its totient is φ = 2269376280.

The previous prime is 3971408537. The next prime is 3971408593. The reversal of 3971408553 is 3558041793.

3971408553 is a `hidden beast` number, since 3 + 97 + 1 + 4 + 0 + 8 + 553 = 666.

It is not a de Polignac number, because 3971408553 - 2⁴ = 3971408537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3971408499 and 3971408508.

It is not an unprimeable number, because it can be changed into a prime (3971408533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31519053 + ... + 31519178.

It is an arithmetic number, because the mean of its divisors is an integer number (546331344).

Almost surely, 2^3971408553 is an apocalyptic number.

It is an amenable number.

3971408553 is a deficient number, since it is larger than the sum of its proper divisors (2584567575).

3971408553 is a wasteful number, since it uses less digits than its factorization.

3971408553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63038244 (or 63038241 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 3971408553 is about 63019.1126008610. The cubic root of 3971408553 is about 1583.6098301048.

The spelling of 3971408553 in words is "three billion, nine hundred seventy-one million, four hundred eight thousand, five hundred fifty-three".