2573277972736 has 81 divisors (see below), whose sum is σ = 5190496909689. Its totient is φ = 1273254008832.

The previous prime is 2573277972709. The next prime is 2573277972737. The reversal of 2573277972736 is 6372797723752.

The square root of 2573277972736 is 1604144.

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., 135482886400 + 2437795086336 = 368080^2 + 1561344^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2573277972737) 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, 2746294060 + ... + 2746294996.

Almost surely, 2^{2573277972736} is an apocalyptic number.

2573277972736 is the 1604144-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2573277972736

2573277972736 is an abundant number, since it is smaller than the sum of its proper divisors (2617218936953).

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

2573277972736 is an frugal number, since it uses more digits than its factorization.

2573277972736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104 (or 1046 counting only the distinct ones).

The product of its digits is 326728080, while the sum is 67.

The spelling of 2573277972736 in words is "two trillion, five hundred seventy-three billion, two hundred seventy-seven million, nine hundred seventy-two thousand, seven hundred thirty-six".