2597783191696 has 135 divisors (see below), whose sum is σ = 6436839189753. Its totient is φ = 1011929909760.

The previous prime is 2597783191669. The next prime is 2597783191699. The reversal of 2597783191696 is 6961913877952.

The square root of 2597783191696 is 1611764.

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., 2501395296400 + 96387895296 = 1581580^2 + 310464^2 .

It is a super-2 number, since 2×2597783191696² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2597783191699) 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, 496420696 + ... + 496425928.

Almost surely, 2^{2597783191696} is an apocalyptic number.

2597783191696 is the 1611764-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2597783191696

2597783191696 is an abundant number, since it is smaller than the sum of its proper divisors (3839055998057).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2597783191696 is an frugal number, since it uses more digits than its factorization.

2597783191696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510 (or 5253 counting only the distinct ones).

The product of its digits is 308629440, while the sum is 73.

The spelling of 2597783191696 in words is "two trillion, five hundred ninety-seven billion, seven hundred eighty-three million, one hundred ninety-one thousand, six hundred ninety-six".