49251757073 has 2 divisors, whose sum is σ = 49251757074. Its totient is φ = 49251757072.

The previous prime is 49251756973. The next prime is 49251757103. The reversal of 49251757073 is 37075715294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26993504209 + 22258252864 = 164297^2 + 149192^2 .

It is a cyclic number.

It is not a de Polignac number, because 49251757073 - 2²⁸ = 48983321617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (49251757673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24625878536 + 24625878537.

It is an arithmetic number, because the mean of its divisors is an integer number (24625878537).

Almost surely, 2^49251757073 is an apocalyptic number.

It is an amenable number.

49251757073 is a deficient number, since it is larger than the sum of its proper divisors (1).

49251757073 is an equidigital number, since it uses as much as digits as its factorization.

49251757073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1852200, while the sum is 50.

The spelling of 49251757073 in words is "forty-nine billion, two hundred fifty-one million, seven hundred fifty-seven thousand, seventy-three".