2642261723 has 12 divisors (see below), whose sum is σ = 2761715880. Its totient is φ = 2527198272.

The previous prime is 2642261701. The next prime is 2642261753. The reversal of 2642261723 is 3271622462.

It is not a de Polignac number, because 2642261723 - 2¹⁴ = 2642245339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642261753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64415 + ... + 97127.

It is an arithmetic number, because the mean of its divisors is an integer number (230142990).

Almost surely, 2^2642261723 is an apocalyptic number.

2642261723 is a deficient number, since it is larger than the sum of its proper divisors (119454157).

2642261723 is an equidigital number, since it uses as much as digits as its factorization.

2642261723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32846 (or 32809 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 2642261723 is about 51402.9349648442. The cubic root of 2642261723 is about 1382.4792167588.

The spelling of 2642261723 in words is "two billion, six hundred forty-two million, two hundred sixty-one thousand, seven hundred twenty-three".