4647521057 has 2 divisors, whose sum is σ = 4647521058. Its totient is φ = 4647521056.

The previous prime is 4647521029. The next prime is 4647521089. The reversal of 4647521057 is 7501257464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3126599056 + 1520922001 = 55916^2 + 38999^2 .

It is a cyclic number.

It is not a de Polignac number, because 4647521057 - 2³⁰ = 3573779233 is a prime.

It is not a weakly prime, because it can be changed into another prime (4647521027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2323760528 + 2323760529.

It is an arithmetic number, because the mean of its divisors is an integer number (2323760529).

Almost surely, 2^4647521057 is an apocalyptic number.

It is an amenable number.

4647521057 is a deficient number, since it is larger than the sum of its proper divisors (1).

4647521057 is an equidigital number, since it uses as much as digits as its factorization.

4647521057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 4647521057 is about 68172.7295698214. The cubic root of 4647521057 is about 1668.8108781823.

The spelling of 4647521057 in words is "four billion, six hundred forty-seven million, five hundred twenty-one thousand, fifty-seven".