4865634157 has 4 divisors (see below), whose sum is σ = 4969158336. Its totient is φ = 4762109980.

The previous prime is 4865634149. The next prime is 4865634203. The reversal of 4865634157 is 7514365684.

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 not a de Polignac number, because 4865634157 - 2³ = 4865634149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4865634157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4865604157) 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, 51762019 + ... + 51762112.

It is an arithmetic number, because the mean of its divisors is an integer number (1242289584).

Almost surely, 2^4865634157 is an apocalyptic number.

4865634157 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

4865634157 is a deficient number, since it is larger than the sum of its proper divisors (103524179).

4865634157 is a wasteful number, since it uses less digits than its factorization.

4865634157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103524178.

The product of its digits is 2419200, while the sum is 49.

The square root of 4865634157 is about 69754.0977792703. The cubic root of 4865634157 is about 1694.5191602840.

The spelling of 4865634157 in words is "four billion, eight hundred sixty-five million, six hundred thirty-four thousand, one hundred fifty-seven".