2664562331 has 4 divisors (see below), whose sum is σ = 2666035464. Its totient is φ = 2663089200.

The previous prime is 2664562319. The next prime is 2664562339. The reversal of 2664562331 is 1332654662.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1332654662 = 2 ⋅666327331.

It is a cyclic number.

It is not a de Polignac number, because 2664562331 - 2⁶ = 2664562267 is a prime.

It is a super-2 number, since 2×2664562331² = 14199784831568307122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664562339) 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, 733850 + ... + 737471.

It is an arithmetic number, because the mean of its divisors is an integer number (666508866).

Almost surely, 2^2664562331 is an apocalyptic number.

2664562331 is a deficient number, since it is larger than the sum of its proper divisors (1473133).

2664562331 is a wasteful number, since it uses less digits than its factorization.

2664562331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473132.

The product of its digits is 155520, while the sum is 38.

The square root of 2664562331 is about 51619.3987857278. The cubic root of 2664562331 is about 1386.3576864955.

The spelling of 2664562331 in words is "two billion, six hundred sixty-four million, five hundred sixty-two thousand, three hundred thirty-one".