5991919272 has 56 divisors (see below), whose sum is σ = 16844583690. Its totient is φ = 1997304480.

The previous prime is 5991919261. The next prime is 5991919273. The reversal of 5991919272 is 2729191995.

5991919272 is a `hidden beast` number, since 599 + 19 + 19 + 27 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4347292356 + 1644626916 = 65934^2 + 40554^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5991919273) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 507879 + ... + 519542.

Almost surely, 2^5991919272 is an apocalyptic number.

It is an amenable number.

5991919272 is an abundant number, since it is smaller than the sum of its proper divisors (10852664418).

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

5991919272 is a wasteful number, since it uses less digits than its factorization.

5991919272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027445 (or 1027426 counting only the distinct ones).

The product of its digits is 918540, while the sum is 54.

The square root of 5991919272 is about 77407.4884749531. The cubic root of 5991919272 is about 1816.3044676035.

The spelling of 5991919272 in words is "five billion, nine hundred ninety-one million, nine hundred nineteen thousand, two hundred seventy-two".