5431519620 has 72 divisors (see below), whose sum is σ = 17043750360. Its totient is φ = 1398458880.

The previous prime is 5431519571. The next prime is 5431519637. The reversal of 5431519620 is 269151345.

5431519620 is a `hidden beast` number, since 5 + 4 + 3 + 15 + 19 + 620 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2339269956 + 3092249664 = 48366^2 + 55608^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 515041 + ... + 525480.

It is an arithmetic number, because the mean of its divisors is an integer number (236718755).

Almost surely, 2^5431519620 is an apocalyptic number.

It is an amenable number.

5431519620 is an abundant number, since it is smaller than the sum of its proper divisors (11612230740).

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

5431519620 is a wasteful number, since it uses less digits than its factorization.

5431519620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040565 (or 1040560 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5431519620 is about 73698.8440886287. The cubic root of 5431519620 is about 1757.8175017410.

The spelling of 5431519620 in words is "five billion, four hundred thirty-one million, five hundred nineteen thousand, six hundred twenty".