4957652621 has 4 divisors (see below), whose sum is σ = 5072946912. Its totient is φ = 4842358332.

The previous prime is 4957652611. The next prime is 4957652629. The reversal of 4957652621 is 1262567594.

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 a de Polignac number, because none of the positive numbers 2^k-4957652621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4957652629) 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, 57647081 + ... + 57647166.

It is an arithmetic number, because the mean of its divisors is an integer number (1268236728).

Almost surely, 2^4957652621 is an apocalyptic number.

It is an amenable number.

4957652621 is a deficient number, since it is larger than the sum of its proper divisors (115294291).

4957652621 is a wasteful number, since it uses less digits than its factorization.

4957652621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115294290.

The product of its digits is 907200, while the sum is 47.

The square root of 4957652621 is about 70410.6002033785. The cubic root of 4957652621 is about 1705.1347199930.

The spelling of 4957652621 in words is "four billion, nine hundred fifty-seven million, six hundred fifty-two thousand, six hundred twenty-one".