5072688621169 has 15 divisors (see below), whose sum is σ = 5495810253837. Its totient is φ = 4682130451128.

The previous prime is 5072688621139. The next prime is 5072688621191. The reversal of 5072688621169 is 9611268862705.

The square root of 5072688621169 is 2252263.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2515120043569 + 2557568577600 = 1585913^2 + 1599240^2 .

It is not a de Polignac number, because 5072688621169 - 2¹¹ = 5072688619121 is a prime.

It is a super-2 number, since 2×5072688621169² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5072688621109) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 380625784 + ... + 380639110.

Almost surely, 2^{5072688621169} is an apocalyptic number.

5072688621169 is the 2252263-rd square number.

5072688621169 is the 1126132-nd centered octagonal number.

It is an amenable number.

5072688621169 is a deficient number, since it is larger than the sum of its proper divisors (423121632668).

5072688621169 is an frugal number, since it uses more digits than its factorization.

5072688621169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26706 (or 13340 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 5072688621169 in words is "five trillion, seventy-two billion, six hundred eighty-eight million, six hundred twenty-one thousand, one hundred sixty-nine".