49162643591 has 2 divisors, whose sum is σ = 49162643592. Its totient is φ = 49162643590.

The previous prime is 49162643573. The next prime is 49162643603. The reversal of 49162643591 is 19534626194.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49162643591 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49162643891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24581321795 + 24581321796.

It is an arithmetic number, because the mean of its divisors is an integer number (24581321796).

Almost surely, 2^49162643591 is an apocalyptic number.

49162643591 is a deficient number, since it is larger than the sum of its proper divisors (1).

49162643591 is an equidigital number, since it uses as much as digits as its factorization.

49162643591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 50.

The spelling of 49162643591 in words is "forty-nine billion, one hundred sixty-two million, six hundred forty-three thousand, five hundred ninety-one".