2949822665 has 16 divisors (see below), whose sum is σ = 3609605376. Its totient is φ = 2313768000.

The previous prime is 2949822653. The next prime is 2949822691. The reversal of 2949822665 is 5662289492.

It is a de Polignac number, because none of the positive numbers 2^k-2949822665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23660 + ... + 80370.

It is an arithmetic number, because the mean of its divisors is an integer number (225600336).

Almost surely, 2^2949822665 is an apocalyptic number.

It is an amenable number.

2949822665 is a deficient number, since it is larger than the sum of its proper divisors (659782711).

2949822665 is a wasteful number, since it uses less digits than its factorization.

2949822665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56920.

The product of its digits is 3732480, while the sum is 53.

The square root of 2949822665 is about 54312.2699304678. The cubic root of 2949822665 is about 1434.1634033098.

The spelling of 2949822665 in words is "two billion, nine hundred forty-nine million, eight hundred twenty-two thousand, six hundred sixty-five".