5279491218 has 64 divisors (see below), whose sum is σ = 10878336000. Its totient is φ = 1707566400.

The previous prime is 5279491213. The next prime is 5279491229. The reversal of 5279491218 is 8121949725.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5279491213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15127308 + ... + 15127656.

It is an arithmetic number, because the mean of its divisors is an integer number (169974000).

Almost surely, 2^5279491218 is an apocalyptic number.

5279491218 is an abundant number, since it is smaller than the sum of its proper divisors (5598844782).

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

5279491218 is a wasteful number, since it uses less digits than its factorization.

5279491218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847.

The product of its digits is 362880, while the sum is 48.

The square root of 5279491218 is about 72660.1074730832. The cubic root of 5279491218 is about 1741.2616051869.

The spelling of 5279491218 in words is "five billion, two hundred seventy-nine million, four hundred ninety-one thousand, two hundred eighteen".