49759956511901 has 2 divisors, whose sum is σ = 49759956511902. Its totient is φ = 49759956511900.

The previous prime is 49759956511861. The next prime is 49759956511931. The reversal of 49759956511901 is 10911565995794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32937440983225 + 16822515528676 = 5739115^2 + 4101526^2 .

It is a cyclic number.

It is not a de Polignac number, because 49759956511901 - 2²² = 49759952317597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49759956511931) 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, 24879978255950 + 24879978255951.

It is an arithmetic number, because the mean of its divisors is an integer number (24879978255951).

Almost surely, 2^{49759956511901} is an apocalyptic number.

It is an amenable number.

49759956511901 is a deficient number, since it is larger than the sum of its proper divisors (1).

49759956511901 is an equidigital number, since it uses as much as digits as its factorization.

49759956511901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137781000, while the sum is 71.

The spelling of 49759956511901 in words is "forty-nine trillion, seven hundred fifty-nine billion, nine hundred fifty-six million, five hundred eleven thousand, nine hundred one".