49751298491 has 2 divisors, whose sum is σ = 49751298492. Its totient is φ = 49751298490.

The previous prime is 49751298481. The next prime is 49751298511. The reversal of 49751298491 is 19489215794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49751298491 - 2³⁰ = 48677556667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49751298491.

It is not a weakly prime, because it can be changed into another prime (49751298481) 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, 24875649245 + 24875649246.

It is an arithmetic number, because the mean of its divisors is an integer number (24875649246).

Almost surely, 2^49751298491 is an apocalyptic number.

49751298491 is a deficient number, since it is larger than the sum of its proper divisors (1).

49751298491 is an equidigital number, since it uses as much as digits as its factorization.

49751298491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 59.

The spelling of 49751298491 in words is "forty-nine billion, seven hundred fifty-one million, two hundred ninety-eight thousand, four hundred ninety-one".