49122344251 has 2 divisors, whose sum is σ = 49122344252. Its totient is φ = 49122344250.

The previous prime is 49122344153. The next prime is 49122344353. The reversal of 49122344251 is 15244322194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49122344251 - 2⁷ = 49122344123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49122344251.

It is not a weakly prime, because it can be changed into another prime (49122344651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24561172125 + 24561172126.

It is an arithmetic number, because the mean of its divisors is an integer number (24561172126).

Almost surely, 2^49122344251 is an apocalyptic number.

49122344251 is a deficient number, since it is larger than the sum of its proper divisors (1).

49122344251 is an equidigital number, since it uses as much as digits as its factorization.

49122344251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The spelling of 49122344251 in words is "forty-nine billion, one hundred twenty-two million, three hundred forty-four thousand, two hundred fifty-one".