4495811657 has 4 divisors (see below), whose sum is σ = 4515107220. Its totient is φ = 4476516096.

The previous prime is 4495811647. The next prime is 4495811693. The reversal of 4495811657 is 7561185944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1370554441 + 3125257216 = 37021^2 + 55904^2 .

It is a cyclic number.

It is not a de Polignac number, because 4495811657 - 2⁴ = 4495811641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4495811627) 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, 9647432 + ... + 9647897.

It is an arithmetic number, because the mean of its divisors is an integer number (1128776805).

Almost surely, 2^4495811657 is an apocalyptic number.

It is an amenable number.

4495811657 is a deficient number, since it is larger than the sum of its proper divisors (19295563).

4495811657 is a wasteful number, since it uses less digits than its factorization.

4495811657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19295562.

The product of its digits is 1209600, while the sum is 50.

The square root of 4495811657 is about 67050.8139920762. The cubic root of 4495811657 is about 1650.4512579028.

The spelling of 4495811657 in words is "four billion, four hundred ninety-five million, eight hundred eleven thousand, six hundred fifty-seven".