5727640961 has 4 divisors (see below), whose sum is σ = 6545875392. Its totient is φ = 4909406532.

The previous prime is 5727640949. The next prime is 5727640967. The reversal of 5727640961 is 1690467275.

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 5727640961 - 2¹⁴ = 5727624577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5727640967) 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, 409117205 + ... + 409117218.

It is an arithmetic number, because the mean of its divisors is an integer number (1636468848).

Almost surely, 2^5727640961 is an apocalyptic number.

It is an amenable number.

5727640961 is a deficient number, since it is larger than the sum of its proper divisors (818234431).

5727640961 is an equidigital number, since it uses as much as digits as its factorization.

5727640961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818234430.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 5727640961 is about 75681.1797014291. The cubic root of 5727640961 is about 1789.1987884582.

The spelling of 5727640961 in words is "five billion, seven hundred twenty-seven million, six hundred forty thousand, nine hundred sixty-one".