5137581892 has 6 divisors (see below), whose sum is σ = 8990768318. Its totient is φ = 2568790944.

The previous prime is 5137581859. The next prime is 5137581899. The reversal of 5137581892 is 2981857315.

It can be written as a sum of positive squares in only one way, i.e., 5129997376 + 7584516 = 71624^2 + 2754^2 .

It is not an unprimeable number, because it can be changed into a prime (5137581899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642197733 + ... + 642197740.

Almost surely, 2^5137581892 is an apocalyptic number.

It is an amenable number.

5137581892 is a deficient number, since it is larger than the sum of its proper divisors (3853186426).

5137581892 is a wasteful number, since it uses less digits than its factorization.

5137581892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284395477 (or 1284395475 counting only the distinct ones).

The product of its digits is 604800, while the sum is 49.

The square root of 5137581892 is about 71676.9271941815. The cubic root of 5137581892 is about 1725.5183646381.

The spelling of 5137581892 in words is "five billion, one hundred thirty-seven million, five hundred eighty-one thousand, eight hundred ninety-two".