49313784991 has 2 divisors, whose sum is σ = 49313784992. Its totient is φ = 49313784990.

The previous prime is 49313784983. The next prime is 49313785019. The reversal of 49313784991 is 19948731394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49313784991 - 2³ = 49313784983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49313784941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24656892495 + 24656892496.

It is an arithmetic number, because the mean of its divisors is an integer number (24656892496).

Almost surely, 2^49313784991 is an apocalyptic number.

49313784991 is a deficient number, since it is larger than the sum of its proper divisors (1).

49313784991 is an equidigital number, since it uses as much as digits as its factorization.

49313784991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 58.

The spelling of 49313784991 in words is "forty-nine billion, three hundred thirteen million, seven hundred eighty-four thousand, nine hundred ninety-one".