49935900013 has 2 divisors, whose sum is σ = 49935900014. Its totient is φ = 49935900012.

The previous prime is 49935899999. The next prime is 49935900019. The reversal of 49935900013 is 31000953994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28553564484 + 21382335529 = 168978^2 + 146227^2 .

It is a cyclic number.

It is not a de Polignac number, because 49935900013 - 2²⁹ = 49399029101 is a prime.

It is a super-2 number, since 2×49935900013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49935900019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24967950006 + 24967950007.

It is an arithmetic number, because the mean of its divisors is an integer number (24967950007).

Almost surely, 2^49935900013 is an apocalyptic number.

It is an amenable number.

49935900013 is a deficient number, since it is larger than the sum of its proper divisors (1).

49935900013 is an equidigital number, since it uses as much as digits as its factorization.

49935900013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 43.

The spelling of 49935900013 in words is "forty-nine billion, nine hundred thirty-five million, nine hundred thousand, thirteen".