2664972953 has 4 divisors (see below), whose sum is σ = 2685957120. Its totient is φ = 2643988788.

The previous prime is 2664972949. The next prime is 2664973007. The reversal of 2664972953 is 3592794662.

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 2664972953 - 2² = 2664972949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2664972895 and 2664972904.

It is not an unprimeable number, because it can be changed into a prime (2664972253) 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, 10491893 + ... + 10492146.

It is an arithmetic number, because the mean of its divisors is an integer number (671489280).

Almost surely, 2^2664972953 is an apocalyptic number.

It is an amenable number.

2664972953 is a deficient number, since it is larger than the sum of its proper divisors (20984167).

2664972953 is a wasteful number, since it uses less digits than its factorization.

2664972953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20984166.

The product of its digits is 4898880, while the sum is 53.

The square root of 2664972953 is about 51623.3760325688. The cubic root of 2664972953 is about 1386.4288976558.

The spelling of 2664972953 in words is "two billion, six hundred sixty-four million, nine hundred seventy-two thousand, nine hundred fifty-three".