8481865406 has 36 divisors (see below), whose sum is σ = 15170063904. Its totient is φ = 3546355680.

The previous prime is 8481865349. The next prime is 8481865421. The reversal of 8481865406 is 6045681848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 138995 + ... + 190481.

It is an arithmetic number, because the mean of its divisors is an integer number (421390664).

Almost surely, 2^8481865406 is an apocalyptic number.

8481865406 is a deficient number, since it is larger than the sum of its proper divisors (6688198498).

8481865406 is a wasteful number, since it uses less digits than its factorization.

8481865406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51585 (or 51537 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 50.

The square root of 8481865406 is about 92097.0434161705. The cubic root of 8481865406 is about 2039.3751615448.

The spelling of 8481865406 in words is "eight billion, four hundred eighty-one million, eight hundred sixty-five thousand, four hundred six".