2641612577 has 4 divisors (see below), whose sum is σ = 2644625556. Its totient is φ = 2638599600.

The previous prime is 2641612489. The next prime is 2641612607. The reversal of 2641612577 is 7752161462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1798523281 + 843089296 = 42409^2 + 29036^2 .

It is a cyclic number.

It is not a de Polignac number, because 2641612577 - 2¹⁸ = 2641350433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2641612777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505174 + ... + 1506927.

It is an arithmetic number, because the mean of its divisors is an integer number (661156389).

Almost surely, 2^2641612577 is an apocalyptic number.

It is an amenable number.

2641612577 is a deficient number, since it is larger than the sum of its proper divisors (3012979).

2641612577 is an equidigital number, since it uses as much as digits as its factorization.

2641612577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012978.

The product of its digits is 141120, while the sum is 41.

The square root of 2641612577 is about 51396.6202877193. The cubic root of 2641612577 is about 1382.3659925023.

The spelling of 2641612577 in words is "two billion, six hundred forty-one million, six hundred twelve thousand, five hundred seventy-seven".