5207216905 has 16 divisors (see below), whose sum is σ = 7113101184. Its totient is φ = 3622410880.

The previous prime is 5207216851. The next prime is 5207216921. The reversal of 5207216905 is 5096127025.

It is not a de Polignac number, because 5207216905 - 2²⁹ = 4670345993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2056924 + ... + 2059453.

It is an arithmetic number, because the mean of its divisors is an integer number (444568824).

Almost surely, 2^5207216905 is an apocalyptic number.

5207216905 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5207216905 is a deficient number, since it is larger than the sum of its proper divisors (1905884279).

5207216905 is a wasteful number, since it uses less digits than its factorization.

5207216905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116416.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 5207216905 is about 72161.0483917744. The cubic root of 5207216905 is about 1733.2793229185.

The spelling of 5207216905 in words is "five billion, two hundred seven million, two hundred sixteen thousand, nine hundred five".