5218377812 has 24 divisors (see below), whose sum is σ = 9285667104. Its totient is φ = 2565474912.

The previous prime is 5218377799. The next prime is 5218377823. The reversal of 5218377812 is 2187738125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128798 + ... + 164394.

It is an arithmetic number, because the mean of its divisors is an integer number (386902796).

Almost surely, 2^5218377812 is an apocalyptic number.

It is an amenable number.

5218377812 is a deficient number, since it is larger than the sum of its proper divisors (4067289292).

5218377812 is a wasteful number, since it uses less digits than its factorization.

5218377812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36215 (or 36213 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 5218377812 is about 72238.3403186978. The cubic root of 5218377812 is about 1734.5167827157.

The spelling of 5218377812 in words is "five billion, two hundred eighteen million, three hundred seventy-seven thousand, eight hundred twelve".