5431051812 has 24 divisors (see below), whose sum is σ = 13417893216. Its totient is φ = 1703859328.

The previous prime is 5431051811. The next prime is 5431051819. The reversal of 5431051812 is 2181501345.

It is a self number, because there is not a number n which added to its sum of digits gives 5431051812.

It is not an unprimeable number, because it can be changed into a prime (5431051811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13311198 + ... + 13311605.

It is an arithmetic number, because the mean of its divisors is an integer number (559078884).

Almost surely, 2^5431051812 is an apocalyptic number.

It is an amenable number.

5431051812 is an abundant number, since it is smaller than the sum of its proper divisors (7986841404).

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

5431051812 is a wasteful number, since it uses less digits than its factorization.

5431051812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26622827 (or 26622825 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 5431051812 is about 73695.6702391667. The cubic root of 5431051812 is about 1757.7670342993.

The spelling of 5431051812 in words is "five billion, four hundred thirty-one million, fifty-one thousand, eight hundred twelve".