49668891271 has 2 divisors, whose sum is σ = 49668891272. Its totient is φ = 49668891270.

The previous prime is 49668891263. The next prime is 49668891277. The reversal of 49668891271 is 17219886694.

49668891271 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 49668891271 - 2³ = 49668891263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49668891277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24834445635 + 24834445636.

It is an arithmetic number, because the mean of its divisors is an integer number (24834445636).

Almost surely, 2^49668891271 is an apocalyptic number.

49668891271 is a deficient number, since it is larger than the sum of its proper divisors (1).

49668891271 is an equidigital number, since it uses as much as digits as its factorization.

49668891271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 61.

The spelling of 49668891271 in words is "forty-nine billion, six hundred sixty-eight million, eight hundred ninety-one thousand, two hundred seventy-one".