49054148791 has 2 divisors, whose sum is σ = 49054148792. Its totient is φ = 49054148790.

The previous prime is 49054148777. The next prime is 49054148821. The reversal of 49054148791 is 19784145094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49054148791 - 2²¹ = 49052051639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49054140791) 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, 24527074395 + 24527074396.

It is an arithmetic number, because the mean of its divisors is an integer number (24527074396).

Almost surely, 2^49054148791 is an apocalyptic number.

49054148791 is a deficient number, since it is larger than the sum of its proper divisors (1).

49054148791 is an equidigital number, since it uses as much as digits as its factorization.

49054148791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 49054148791 in words is "forty-nine billion, fifty-four million, one hundred forty-eight thousand, seven hundred ninety-one".