4679521257 has 8 divisors (see below), whose sum is σ = 6280682560. Its totient is φ = 3099020400.

The previous prime is 4679521247. The next prime is 4679521277. The reversal of 4679521257 is 7521259764.

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

It is not a de Polignac number, because 4679521257 - 2⁴ = 4679521241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4679521247) 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, 5164582 + ... + 5165487.

It is an arithmetic number, because the mean of its divisors is an integer number (785085320).

Almost surely, 2^4679521257 is an apocalyptic number.

It is an amenable number.

4679521257 is a deficient number, since it is larger than the sum of its proper divisors (1601161303).

4679521257 is a wasteful number, since it uses less digits than its factorization.

4679521257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330223.

The product of its digits is 1058400, while the sum is 48.

The square root of 4679521257 is about 68407.0263715651. The cubic root of 4679521257 is about 1672.6322833249.

The spelling of 4679521257 in words is "four billion, six hundred seventy-nine million, five hundred twenty-one thousand, two hundred fifty-seven".