2122644953 has 32 divisors (see below), whose sum is σ = 2621445120. Its totient is φ = 1691173440.

The previous prime is 2122644949. The next prime is 2122644959. The reversal of 2122644953 is 3594462212.

It is not a de Polignac number, because 2122644953 - 2² = 2122644949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2122644959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454850 + ... + 459492.

It is an arithmetic number, because the mean of its divisors is an integer number (81920160).

Almost surely, 2^2122644953 is an apocalyptic number.

2122644953 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2122644953 is a deficient number, since it is larger than the sum of its proper divisors (498800167).

2122644953 is a wasteful number, since it uses less digits than its factorization.

2122644953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829.

The product of its digits is 103680, while the sum is 38.

The square root of 2122644953 is about 46072.1711339937. The cubic root of 2122644953 is about 1285.1656794555.

The spelling of 2122644953 in words is "two billion, one hundred twenty-two million, six hundred forty-four thousand, nine hundred fifty-three".