4997279136 has 48 divisors (see below), whose sum is σ = 13396973184. Its totient is φ = 1630316544.

The previous prime is 4997279093. The next prime is 4997279141. The reversal of 4997279136 is 6319727994.

It is a tau number, because it is divible by the number of its divisors (48).

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, 549265 + ... + 558288.

It is an arithmetic number, because the mean of its divisors is an integer number (279103608).

Almost surely, 2^4997279136 is an apocalyptic number.

It is an amenable number.

4997279136 is an abundant number, since it is smaller than the sum of its proper divisors (8399694048).

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

4997279136 is a wasteful number, since it uses less digits than its factorization.

4997279136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107613 (or 1107605 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 57.

The square root of 4997279136 is about 70691.4360867001. The cubic root of 4997279136 is about 1709.6657162640.

The spelling of 4997279136 in words is "four billion, nine hundred ninety-seven million, two hundred seventy-nine thousand, one hundred thirty-six".