50132123309 has 2 divisors, whose sum is σ = 50132123310. Its totient is φ = 50132123308.

The previous prime is 50132123273. The next prime is 50132123329. The reversal of 50132123309 is 90332123105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49941075625 + 191047684 = 223475^2 + 13822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50132123309 is a prime.

It is a super-2 number, since 2×50132123309² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50132123329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25066061654 + 25066061655.

It is an arithmetic number, because the mean of its divisors is an integer number (25066061655).

Almost surely, 2^50132123309 is an apocalyptic number.

It is an amenable number.

50132123309 is a deficient number, since it is larger than the sum of its proper divisors (1).

50132123309 is an equidigital number, since it uses as much as digits as its factorization.

50132123309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The spelling of 50132123309 in words is "fifty billion, one hundred thirty-two million, one hundred twenty-three thousand, three hundred nine".