50437290149 has 2 divisors, whose sum is σ = 50437290150. Its totient is φ = 50437290148.

The previous prime is 50437290121. The next prime is 50437290179. The reversal of 50437290149 is 94109273405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41664157924 + 8773132225 = 204118^2 + 93665^2 .

It is a cyclic number.

It is not a de Polignac number, because 50437290149 - 2⁸ = 50437289893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50437290179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25218645074 + 25218645075.

It is an arithmetic number, because the mean of its divisors is an integer number (25218645075).

Almost surely, 2^50437290149 is an apocalyptic number.

It is an amenable number.

50437290149 is a deficient number, since it is larger than the sum of its proper divisors (1).

50437290149 is an equidigital number, since it uses as much as digits as its factorization.

50437290149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 50437290149 in words is "fifty billion, four hundred thirty-seven million, two hundred ninety thousand, one hundred forty-nine".