49251480413 has 2 divisors, whose sum is σ = 49251480414. Its totient is φ = 49251480412.

The previous prime is 49251480391. The next prime is 49251480427. The reversal of 49251480413 is 31408415294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36567765529 + 12683714884 = 191227^2 + 112622^2 .

It is a cyclic number.

It is not a de Polignac number, because 49251480413 - 2³² = 44956513117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49251480493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24625740206 + 24625740207.

It is an arithmetic number, because the mean of its divisors is an integer number (24625740207).

Almost surely, 2^49251480413 is an apocalyptic number.

It is an amenable number.

49251480413 is a deficient number, since it is larger than the sum of its proper divisors (1).

49251480413 is an equidigital number, since it uses as much as digits as its factorization.

49251480413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 49251480413 in words is "forty-nine billion, two hundred fifty-one million, four hundred eighty thousand, four hundred thirteen".