49693911511 has 2 divisors, whose sum is σ = 49693911512. Its totient is φ = 49693911510.

The previous prime is 49693911479. The next prime is 49693911517. The reversal of 49693911511 is 11511939694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49693911511 - 2⁵ = 49693911479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49693911517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24846955755 + 24846955756.

It is an arithmetic number, because the mean of its divisors is an integer number (24846955756).

Almost surely, 2^49693911511 is an apocalyptic number.

49693911511 is a deficient number, since it is larger than the sum of its proper divisors (1).

49693911511 is an equidigital number, since it uses as much as digits as its factorization.

49693911511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 49.

The spelling of 49693911511 in words is "forty-nine billion, six hundred ninety-three million, nine hundred eleven thousand, five hundred eleven".