50168269639 has 2 divisors, whose sum is σ = 50168269640. Its totient is φ = 50168269638.

The previous prime is 50168269633. The next prime is 50168269643. The reversal of 50168269639 is 93696286105.

50168269639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50168269639 - 2⁵ = 50168269607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50168269639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50168269633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25084134819 + 25084134820.

It is an arithmetic number, because the mean of its divisors is an integer number (25084134820).

Almost surely, 2^50168269639 is an apocalyptic number.

50168269639 is a deficient number, since it is larger than the sum of its proper divisors (1).

50168269639 is an equidigital number, since it uses as much as digits as its factorization.

50168269639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 50168269639 in words is "fifty billion, one hundred sixty-eight million, two hundred sixty-nine thousand, six hundred thirty-nine".