2664239297 has 8 divisors (see below), whose sum is σ = 2699010720. Its totient is φ = 2629575520.

The previous prime is 2664239273. The next prime is 2664239311. The reversal of 2664239297 is 7929324662.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2664239297 - 2²⁰ = 2663190721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664239257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23522 + ... + 76692.

It is an arithmetic number, because the mean of its divisors is an integer number (337376340).

Almost surely, 2^2664239297 is an apocalyptic number.

It is an amenable number.

2664239297 is a deficient number, since it is larger than the sum of its proper divisors (34771423).

2664239297 is an equidigital number, since it uses as much as digits as its factorization.

2664239297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53823.

The product of its digits is 1959552, while the sum is 50.

The square root of 2664239297 is about 51616.2696928013. The cubic root of 2664239297 is about 1386.3016599375.

The spelling of 2664239297 in words is "two billion, six hundred sixty-four million, two hundred thirty-nine thousand, two hundred ninety-seven".