4651541957 has 4 divisors (see below), whose sum is σ = 4685494956. Its totient is φ = 4617588960.

The previous prime is 4651541953. The next prime is 4651541959. The reversal of 4651541957 is 7591451564.

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 3680970241 + 970571716 = 60671^2 + 31154^2 .

It is a cyclic number.

It is not a de Polignac number, because 4651541957 - 2² = 4651541953 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 (4651541953) 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, 16976294 + ... + 16976567.

It is an arithmetic number, because the mean of its divisors is an integer number (1171373739).

Almost surely, 2^4651541957 is an apocalyptic number.

It is an amenable number.

4651541957 is a deficient number, since it is larger than the sum of its proper divisors (33952999).

4651541957 is a wasteful number, since it uses less digits than its factorization.

4651541957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33952998.

The product of its digits is 756000, while the sum is 47.

The square root of 4651541957 is about 68202.2137250691. The cubic root of 4651541957 is about 1669.2920083284.

The spelling of 4651541957 in words is "four billion, six hundred fifty-one million, five hundred forty-one thousand, nine hundred fifty-seven".