47011444957 has 2 divisors, whose sum is σ = 47011444958. Its totient is φ = 47011444956.

The previous prime is 47011444937. The next prime is 47011444973. The reversal of 47011444957 is 75944411074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47007009721 + 4435236 = 216811^2 + 2106^2 .

It is a cyclic number.

It is not a de Polignac number, because 47011444957 - 2¹⁹ = 47010920669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47011444927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23505722478 + 23505722479.

It is an arithmetic number, because the mean of its divisors is an integer number (23505722479).

Almost surely, 2^47011444957 is an apocalyptic number.

It is an amenable number.

47011444957 is a deficient number, since it is larger than the sum of its proper divisors (1).

47011444957 is an equidigital number, since it uses as much as digits as its factorization.

47011444957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 47011444957 in words is "forty-seven billion, eleven million, four hundred forty-four thousand, nine hundred fifty-seven".