2159027625769 has 45 divisors (see below), whose sum is σ = 2548201657911. Its totient is φ = 1829180611440.

The previous prime is 2159027625767. The next prime is 2159027625779. The reversal of 2159027625769 is 9675267209512.

The square root of 2159027625769 is 1469363.

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

It can be written as a sum of positive squares in only one way, i.e., 632844115225 + 1526183510544 = 795515^2 + 1235388^2 .

It is not a de Polignac number, because 2159027625769 - 2¹ = 2159027625767 is a prime.

It is a super-2 number, since 2×2159027625769² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2159027625761) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 11303809464 + ... + 11303809654.

Almost surely, 2^{2159027625769} is an apocalyptic number.

2159027625769 is the 1469363-rd square number.

2159027625769 is the 734682-nd centered octagonal number.

It is an amenable number.

2159027625769 is a deficient number, since it is larger than the sum of its proper divisors (389174032142).

2159027625769 is an frugal number, since it uses more digits than its factorization.

2159027625769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 61.

The spelling of 2159027625769 in words is "two trillion, one hundred fifty-nine billion, twenty-seven million, six hundred twenty-five thousand, seven hundred sixty-nine".