2664623747 has 8 divisors (see below), whose sum is σ = 2680503840. Its totient is φ = 2648790400.

The previous prime is 2664623737. The next prime is 2664623771. The reversal of 2664623747 is 7473264662.

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 2664623747 - 2²⁰ = 2663575171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664623737) 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, 106154 + ... + 128832.

It is an arithmetic number, because the mean of its divisors is an integer number (335062980).

Almost surely, 2^2664623747 is an apocalyptic number.

2664623747 is a deficient number, since it is larger than the sum of its proper divisors (15880093).

2664623747 is a wasteful number, since it uses less digits than its factorization.

2664623747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23373.

The product of its digits is 2032128, while the sum is 47.

The square root of 2664623747 is about 51619.9936749318. The cubic root of 2664623747 is about 1386.3683378870.

The spelling of 2664623747 in words is "two billion, six hundred sixty-four million, six hundred twenty-three thousand, seven hundred forty-seven".