5657537949 has 8 divisors (see below), whose sum is σ = 8621010240. Its totient is φ = 3232878816.

The previous prime is 5657537929. The next prime is 5657537957. The reversal of 5657537949 is 9497357565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5657537949 - 2⁵ = 5657537917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5657537892 and 5657537901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657537929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134703264 + ... + 134703305.

It is an arithmetic number, because the mean of its divisors is an integer number (1077626280).

Almost surely, 2^5657537949 is an apocalyptic number.

It is an amenable number.

5657537949 is a deficient number, since it is larger than the sum of its proper divisors (2963472291).

5657537949 is a wasteful number, since it uses less digits than its factorization.

5657537949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269406579.

The product of its digits is 35721000, while the sum is 60.

The square root of 5657537949 is about 75216.6068697598. The cubic root of 5657537949 is about 1781.8692173390.

The spelling of 5657537949 in words is "five billion, six hundred fifty-seven million, five hundred thirty-seven thousand, nine hundred forty-nine".