50420452149 has 12 divisors (see below), whose sum is σ = 75340905900. Its totient is φ = 32454543744.

The previous prime is 50420452081. The next prime is 50420452177. The reversal of 50420452149 is 94125402405.

It is a happy number.

50420452149 is a `hidden beast` number, since 50 + 42 + 0 + 4 + 521 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26914043025 + 23506409124 = 164055^2 + 153318^2 .

It is not a de Polignac number, because 50420452149 - 2⁷ = 50420452021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50420452249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96590644 + ... + 96591165.

It is an arithmetic number, because the mean of its divisors is an integer number (6278408825).

Almost surely, 2^50420452149 is an apocalyptic number.

It is an amenable number.

50420452149 is a deficient number, since it is larger than the sum of its proper divisors (24920453751).

50420452149 is a wasteful number, since it uses less digits than its factorization.

50420452149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193181844 (or 193181841 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 50420452149 in words is "fifty billion, four hundred twenty million, four hundred fifty-two thousand, one hundred forty-nine".