5431444516 has 12 divisors (see below), whose sum is σ = 9565570588. Its totient is φ = 2698424352.

The previous prime is 5431444507. The next prime is 5431444523. The reversal of 5431444516 is 6154441345.

It can be written as a sum of positive squares in 2 ways, for example, as 2885838400 + 2545606116 = 53720^2 + 50454^2 .

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, 4323771 + ... + 4325026.

Almost surely, 2^5431444516 is an apocalyptic number.

It is an amenable number.

5431444516 is a deficient number, since it is larger than the sum of its proper divisors (4134126072).

5431444516 is a wasteful number, since it uses less digits than its factorization.

5431444516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648958 (or 8648956 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 5431444516 is about 73698.3345537740. The cubic root of 5431444516 is about 1757.8093996663.

The spelling of 5431444516 in words is "five billion, four hundred thirty-one million, four hundred forty-four thousand, five hundred sixteen".