2597738669 has 16 divisors (see below), whose sum is σ = 2771428608. Its totient is φ = 2426445312.

The previous prime is 2597738659. The next prime is 2597738681. The reversal of 2597738669 is 9668377952.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2597738669 is a prime.

It is a super-2 number, since 2×2597738669² = 13496492384835783122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2597738629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452794 + ... + 1454580.

It is an arithmetic number, because the mean of its divisors is an integer number (173214288).

Almost surely, 2^2597738669 is an apocalyptic number.

It is an amenable number.

2597738669 is a deficient number, since it is larger than the sum of its proper divisors (173689939).

2597738669 is a wasteful number, since it uses less digits than its factorization.

2597738669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404.

The product of its digits is 34292160, while the sum is 62.

The square root of 2597738669 is about 50968.0161375740. The cubic root of 2597738669 is about 1374.6700994105.

It can be divided in two parts, 25977 and 38669, that added together give a palindrome (64646).

The spelling of 2597738669 in words is "two billion, five hundred ninety-seven million, seven hundred thirty-eight thousand, six hundred sixty-nine".