5196526008921 has 27 divisors (see below), whose sum is σ = 8128038712287. Its totient is φ = 3197807449200.

The previous prime is 5196526008901. The next prime is 5196526008977. The reversal of 5196526008921 is 1298006256915.

The square root of 5196526008921 is 2279589.

It is a perfect power (a square), and thus also a powerful number.

5196526008921 is a `hidden beast` number, since 5 + 1 + 9 + 6 + 5 + 2 + 600 + 8 + 9 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 768716865225 + 4427809143696 = 876765^2 + 2104236^2 .

It is not a de Polignac number, because 5196526008921 - 2¹⁵ = 5196525976153 is a prime.

It is a super-2 number, since 2×5196526008921² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5196526008901) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 88874746 + ... + 88933196.

Almost surely, 2^{5196526008921} is an apocalyptic number.

5196526008921 is the 2279589-th square number.

5196526008921 is the 1139795-th centered octagonal number.

It is an amenable number.

5196526008921 is a deficient number, since it is larger than the sum of its proper divisors (2931512703366).

5196526008921 is an frugal number, since it uses more digits than its factorization.

5196526008921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116934 (or 58467 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 5196526008921 in words is "five trillion, one hundred ninety-six billion, five hundred twenty-six million, eight thousand, nine hundred twenty-one".