2642532761 has 4 divisors (see below), whose sum is σ = 2882763024. Its totient is φ = 2402302500.

The previous prime is 2642532733. The next prime is 2642532773. The reversal of 2642532761 is 1672352462.

2642532761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2642532761 - 2¹⁰ = 2642531737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642532701) 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, 120115115 + ... + 120115136.

It is an arithmetic number, because the mean of its divisors is an integer number (720690756).

Almost surely, 2^2642532761 is an apocalyptic number.

It is an amenable number.

2642532761 is a deficient number, since it is larger than the sum of its proper divisors (240230263).

2642532761 is a wasteful number, since it uses less digits than its factorization.

2642532761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240230262.

The product of its digits is 120960, while the sum is 38.

The square root of 2642532761 is about 51405.5713031185. The cubic root of 2642532761 is about 1382.5264858070.

The spelling of 2642532761 in words is "two billion, six hundred forty-two million, five hundred thirty-two thousand, seven hundred sixty-one".