47051264257 has 2 divisors, whose sum is σ = 47051264258. Its totient is φ = 47051264256.

The previous prime is 47051264233. The next prime is 47051264303. The reversal of 47051264257 is 75246215074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43523973376 + 3527290881 = 208624^2 + 59391^2 .

It is a cyclic number.

It is not a de Polignac number, because 47051264257 - 2⁷ = 47051264129 is a prime.

It is not a weakly prime, because it can be changed into another prime (47051264957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23525632128 + 23525632129.

It is an arithmetic number, because the mean of its divisors is an integer number (23525632129).

Almost surely, 2^47051264257 is an apocalyptic number.

It is an amenable number.

47051264257 is a deficient number, since it is larger than the sum of its proper divisors (1).

47051264257 is an equidigital number, since it uses as much as digits as its factorization.

47051264257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 47051264257 in words is "forty-seven billion, fifty-one million, two hundred sixty-four thousand, two hundred fifty-seven".