4649385957 has 4 divisors (see below), whose sum is σ = 6199181280. Its totient is φ = 3099590636.

The previous prime is 4649385943. The next prime is 4649385967. The reversal of 4649385957 is 7595839464.

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 4649385957 - 2⁴ = 4649385941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4649385957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649385967) 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, 774897657 + ... + 774897662.

It is an arithmetic number, because the mean of its divisors is an integer number (1549795320).

Almost surely, 2^4649385957 is an apocalyptic number.

It is an amenable number.

4649385957 is a deficient number, since it is larger than the sum of its proper divisors (1549795323).

4649385957 is a wasteful number, since it uses less digits than its factorization.

4649385957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549795322.

The product of its digits is 32659200, while the sum is 60.

The square root of 4649385957 is about 68186.4059545596. The cubic root of 4649385957 is about 1669.0340616236.

The spelling of 4649385957 in words is "four billion, six hundred forty-nine million, three hundred eighty-five thousand, nine hundred fifty-seven".