3626788874569 has 9 divisors (see below), whose sum is σ = 4218933177837. Its totient is φ = 3108664751724.

The previous prime is 3626788874537. The next prime is 3626788874573. The reversal of 3626788874569 is 9654788876263.

The square root of 3626788874569 is 1904413.

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

It is not a de Polignac number, because 3626788874569 - 2⁵ = 3626788874537 is a prime.

It is a super-2 number, since 2×3626788874569² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3626788874369) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13194862 + ... + 13466920.

It is an arithmetic number, because the mean of its divisors is an integer number (468770353093).

Almost surely, 2^{3626788874569} is an apocalyptic number.

3626788874569 is the 1904413-rd square number.

3626788874569 is the 952207-th centered octagonal number.

It is an amenable number.

3626788874569 is a deficient number, since it is larger than the sum of its proper divisors (592144303268).

3626788874569 is an frugal number, since it uses more digits than its factorization.

3626788874569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544132 (or 272066 counting only the distinct ones).

The product of its digits is 5852528640, while the sum is 79.

The spelling of 3626788874569 in words is "three trillion, six hundred twenty-six billion, seven hundred eighty-eight million, eight hundred seventy-four thousand, five hundred sixty-nine".