50292129689 has 2 divisors, whose sum is σ = 50292129690. Its totient is φ = 50292129688.

The previous prime is 50292129683. The next prime is 50292129691. The reversal of 50292129689 is 98692129205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28056250000 + 22235879689 = 167500^2 + 149117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50292129689 is a prime.

Together with 50292129691, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50292129689.

It is not a weakly prime, because it can be changed into another prime (50292129683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25146064844 + 25146064845.

It is an arithmetic number, because the mean of its divisors is an integer number (25146064845).

Almost surely, 2^50292129689 is an apocalyptic number.

It is an amenable number.

50292129689 is a deficient number, since it is larger than the sum of its proper divisors (1).

50292129689 is an equidigital number, since it uses as much as digits as its factorization.

50292129689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 50292129689 in words is "fifty billion, two hundred ninety-two million, one hundred twenty-nine thousand, six hundred eighty-nine".