49909284991 has 2 divisors, whose sum is σ = 49909284992. Its totient is φ = 49909284990.

The previous prime is 49909284961. The next prime is 49909285001. The reversal of 49909284991 is 19948290994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49909284991 - 2¹⁷ = 49909153919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49909284961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24954642495 + 24954642496.

It is an arithmetic number, because the mean of its divisors is an integer number (24954642496).

Almost surely, 2^49909284991 is an apocalyptic number.

49909284991 is a deficient number, since it is larger than the sum of its proper divisors (1).

49909284991 is an equidigital number, since it uses as much as digits as its factorization.

49909284991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15116544, while the sum is 64.

The spelling of 49909284991 in words is "forty-nine billion, nine hundred nine million, two hundred eighty-four thousand, nine hundred ninety-one".