49681434911 has 2 divisors, whose sum is σ = 49681434912. Its totient is φ = 49681434910.

The previous prime is 49681434889. The next prime is 49681434931. The reversal of 49681434911 is 11943418694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49681434911 - 2¹⁸ = 49681172767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49681434911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49681434931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24840717455 + 24840717456.

It is an arithmetic number, because the mean of its divisors is an integer number (24840717456).

Almost surely, 2^49681434911 is an apocalyptic number.

49681434911 is a deficient number, since it is larger than the sum of its proper divisors (1).

49681434911 is an equidigital number, since it uses as much as digits as its factorization.

49681434911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The spelling of 49681434911 in words is "forty-nine billion, six hundred eighty-one million, four hundred thirty-four thousand, nine hundred eleven".