50512732489 has 2 divisors, whose sum is σ = 50512732490. Its totient is φ = 50512732488.

The previous prime is 50512732463. The next prime is 50512732493. The reversal of 50512732489 is 98423721505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45298737225 + 5213995264 = 212835^2 + 72208^2 .

It is a cyclic number.

It is not a de Polignac number, because 50512732489 - 2¹⁷ = 50512601417 is a prime.

It is a super-2 number, since 2×50512732489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50512735489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25256366244 + 25256366245.

It is an arithmetic number, because the mean of its divisors is an integer number (25256366245).

Almost surely, 2^50512732489 is an apocalyptic number.

It is an amenable number.

50512732489 is a deficient number, since it is larger than the sum of its proper divisors (1).

50512732489 is an equidigital number, since it uses as much as digits as its factorization.

50512732489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 50512732489 in words is "fifty billion, five hundred twelve million, seven hundred thirty-two thousand, four hundred eighty-nine".