5421512912 has 20 divisors (see below), whose sum is σ = 10788079236. Its totient is φ = 2637492480.

The previous prime is 5421512897. The next prime is 5421512947. The reversal of 5421512912 is 2192151245.

It can be written as a sum of positive squares in 2 ways, for example, as 3094029376 + 2327483536 = 55624^2 + 48244^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4578389 + ... + 4579572.

Almost surely, 2^5421512912 is an apocalyptic number.

It is an amenable number.

5421512912 is a deficient number, since it is larger than the sum of its proper divisors (5366566324).

5421512912 is a wasteful number, since it uses less digits than its factorization.

5421512912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158006 (or 9158000 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 5421512912 is about 73630.9236122976. The cubic root of 5421512912 is about 1756.7373387300.

The spelling of 5421512912 in words is "five billion, four hundred twenty-one million, five hundred twelve thousand, nine hundred twelve".