5198618436 has 48 divisors (see below), whose sum is σ = 13244394240. Its totient is φ = 1573964320.

The previous prime is 5198618417. The next prime is 5198618459. The reversal of 5198618436 is 6348168915.

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, 140095 + ... + 173273.

It is an arithmetic number, because the mean of its divisors is an integer number (275924880).

Almost surely, 2^5198618436 is an apocalyptic number.

It is an amenable number.

5198618436 is an abundant number, since it is smaller than the sum of its proper divisors (8045775804).

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

5198618436 is a wasteful number, since it uses less digits than its factorization.

5198618436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34384 (or 34382 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 5198618436 is about 72101.4454501434. The cubic root of 5198618436 is about 1732.3247657117.

The spelling of 5198618436 in words is "five billion, one hundred ninety-eight million, six hundred eighteen thousand, four hundred thirty-six".