49668891263 has 2 divisors, whose sum is σ = 49668891264. Its totient is φ = 49668891262.

The previous prime is 49668891247. The next prime is 49668891271. The reversal of 49668891263 is 36219886694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49668891263 - 2⁴ = 49668891247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49668891196 and 49668891205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49668891763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24834445631 + 24834445632.

It is an arithmetic number, because the mean of its divisors is an integer number (24834445632).

Almost surely, 2^49668891263 is an apocalyptic number.

49668891263 is a deficient number, since it is larger than the sum of its proper divisors (1).

49668891263 is an equidigital number, since it uses as much as digits as its factorization.

49668891263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26873856, while the sum is 62.

The spelling of 49668891263 in words is "forty-nine billion, six hundred sixty-eight million, eight hundred ninety-one thousand, two hundred sixty-three".