50191874429 has 2 divisors, whose sum is σ = 50191874430. Its totient is φ = 50191874428.

The previous prime is 50191874423. The next prime is 50191874437. The reversal of 50191874429 is 92447819105.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40530950329 + 9660924100 = 201323^2 + 98290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50191874429 is a prime.

It is a super-3 number, since 3×50191874429³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50191874423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25095937214 + 25095937215.

It is an arithmetic number, because the mean of its divisors is an integer number (25095937215).

Almost surely, 2^50191874429 is an apocalyptic number.

It is an amenable number.

50191874429 is a deficient number, since it is larger than the sum of its proper divisors (1).

50191874429 is an equidigital number, since it uses as much as digits as its factorization.

50191874429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 50191874429 in words is "fifty billion, one hundred ninety-one million, eight hundred seventy-four thousand, four hundred twenty-nine".