2621095953 has 32 divisors (see below), whose sum is σ = 4091129856. Its totient is φ = 1461554688.

The previous prime is 2621095913. The next prime is 2621095963. The reversal of 2621095953 is 3595901262.

It is not a de Polignac number, because 2621095953 - 2¹⁶ = 2621030417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2621095913) 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, 344650 + ... + 352172.

It is an arithmetic number, because the mean of its divisors is an integer number (127847808).

Almost surely, 2^2621095953 is an apocalyptic number.

It is an amenable number.

2621095953 is a deficient number, since it is larger than the sum of its proper divisors (1470033903).

2621095953 is a wasteful number, since it uses less digits than its factorization.

2621095953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 2621095953 is about 51196.6400557693. The cubic root of 2621095953 is about 1378.7778777906. Note that the first 3 decimals are identical.

The spelling of 2621095953 in words is "two billion, six hundred twenty-one million, ninety-five thousand, nine hundred fifty-three".