50538262639 has 2 divisors, whose sum is σ = 50538262640. Its totient is φ = 50538262638.

The previous prime is 50538262613. The next prime is 50538262661. The reversal of 50538262639 is 93626283505.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50538262639 - 2²⁵ = 50504708207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50538262592 and 50538262601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50538260639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25269131319 + 25269131320.

It is an arithmetic number, because the mean of its divisors is an integer number (25269131320).

Almost surely, 2^50538262639 is an apocalyptic number.

50538262639 is a deficient number, since it is larger than the sum of its proper divisors (1).

50538262639 is an equidigital number, since it uses as much as digits as its factorization.

50538262639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 50538262639 in words is "fifty billion, five hundred thirty-eight million, two hundred sixty-two thousand, six hundred thirty-nine".