5131443564 has 36 divisors (see below), whose sum is σ = 13968930976. Its totient is φ = 1578905568.

The previous prime is 5131443553. The next prime is 5131443593. The reversal of 5131443564 is 4653441315.

5131443564 is a `hidden beast` number, since 51 + 3 + 1 + 4 + 43 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5481844 + ... + 5482779.

Almost surely, 2^5131443564 is an apocalyptic number.

It is an amenable number.

5131443564 is an abundant number, since it is smaller than the sum of its proper divisors (8837487412).

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

5131443564 is a wasteful number, since it uses less digits than its factorization.

5131443564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10964646 (or 10964641 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 5131443564 is about 71634.0949827664. The cubic root of 5131443564 is about 1724.8308804584.

Adding to 5131443564 its reverse (4653441315), we get a palindrome (9784884879).

The spelling of 5131443564 in words is "five billion, one hundred thirty-one million, four hundred forty-three thousand, five hundred sixty-four".