49130634257 has 2 divisors, whose sum is σ = 49130634258. Its totient is φ = 49130634256.

The previous prime is 49130634193. The next prime is 49130634269. The reversal of 49130634257 is 75243603194.

49130634257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45847802641 + 3282831616 = 214121^2 + 57296^2 .

It is a cyclic number.

It is not a de Polignac number, because 49130634257 - 2⁶ = 49130634193 is a prime.

It is not a weakly prime, because it can be changed into another prime (49130034257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24565317128 + 24565317129.

It is an arithmetic number, because the mean of its divisors is an integer number (24565317129).

Almost surely, 2^49130634257 is an apocalyptic number.

It is an amenable number.

49130634257 is a deficient number, since it is larger than the sum of its proper divisors (1).

49130634257 is an equidigital number, since it uses as much as digits as its factorization.

49130634257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 49130634257 in words is "forty-nine billion, one hundred thirty million, six hundred thirty-four thousand, two hundred fifty-seven".