2355664331 has 4 divisors (see below), whose sum is σ = 2376511032. Its totient is φ = 2334817632.

The previous prime is 2355664271. The next prime is 2355664349. The reversal of 2355664331 is 1334665532.

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

It is a cyclic number.

It is not a de Polignac number, because 2355664331 - 2¹⁰ = 2355663307 is a prime.

It is a super-2 number, since 2×2355664331² = 11098308880691355122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2355664351) 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, 10423181 + ... + 10423406.

It is an arithmetic number, because the mean of its divisors is an integer number (594127758).

Almost surely, 2^2355664331 is an apocalyptic number.

2355664331 is a deficient number, since it is larger than the sum of its proper divisors (20846701).

2355664331 is a wasteful number, since it uses less digits than its factorization.

2355664331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20846700.

The product of its digits is 194400, while the sum is 38.

The square root of 2355664331 is about 48535.1865248296. The cubic root of 2355664331 is about 1330.5702288470.

The spelling of 2355664331 in words is "two billion, three hundred fifty-five million, six hundred sixty-four thousand, three hundred thirty-one".