49886174509 has 2 divisors, whose sum is σ = 49886174510. Its totient is φ = 49886174508.

The previous prime is 49886174453. The next prime is 49886174537. The reversal of 49886174509 is 90547168894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45706164100 + 4180010409 = 213790^2 + 64653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49886174509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49886174539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24943087254 + 24943087255.

It is an arithmetic number, because the mean of its divisors is an integer number (24943087255).

Almost surely, 2^49886174509 is an apocalyptic number.

It is an amenable number.

49886174509 is a deficient number, since it is larger than the sum of its proper divisors (1).

49886174509 is an equidigital number, since it uses as much as digits as its factorization.

49886174509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 49886174509 in words is "forty-nine billion, eight hundred eighty-six million, one hundred seventy-four thousand, five hundred nine".