50678052493 has 2 divisors, whose sum is σ = 50678052494. Its totient is φ = 50678052492.

The previous prime is 50678052427. The next prime is 50678052511. The reversal of 50678052493 is 39425087605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38297707204 + 12380345289 = 195698^2 + 111267^2 .

It is a cyclic number.

It is not a de Polignac number, because 50678052493 - 2⁹ = 50678051981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50678052413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25339026246 + 25339026247.

It is an arithmetic number, because the mean of its divisors is an integer number (25339026247).

Almost surely, 2^50678052493 is an apocalyptic number.

It is an amenable number.

50678052493 is a deficient number, since it is larger than the sum of its proper divisors (1).

50678052493 is an equidigital number, since it uses as much as digits as its factorization.

50678052493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 50678052493 in words is "fifty billion, six hundred seventy-eight million, fifty-two thousand, four hundred ninety-three".