50515232149 has 2 divisors, whose sum is σ = 50515232150. Its totient is φ = 50515232148.

The previous prime is 50515232137. The next prime is 50515232237. The reversal of 50515232149 is 94123251505.

50515232149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29813202225 + 20702029924 = 172665^2 + 143882^2 .

It is a cyclic number.

It is not a de Polignac number, because 50515232149 - 2¹⁵ = 50515199381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50515242149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25257616074 + 25257616075.

It is an arithmetic number, because the mean of its divisors is an integer number (25257616075).

Almost surely, 2^50515232149 is an apocalyptic number.

It is an amenable number.

50515232149 is a deficient number, since it is larger than the sum of its proper divisors (1).

50515232149 is an equidigital number, since it uses as much as digits as its factorization.

50515232149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 50515232149 in words is "fifty billion, five hundred fifteen million, two hundred thirty-two thousand, one hundred forty-nine".