49101611773 has 2 divisors, whose sum is σ = 49101611774. Its totient is φ = 49101611772.

The previous prime is 49101611753. The next prime is 49101611777. The reversal of 49101611773 is 37711610194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34461095769 + 14640516004 = 185637^2 + 120998^2 .

It is a cyclic number.

It is not a de Polignac number, because 49101611773 - 2²¹ = 49099514621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49101611777) 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, 24550805886 + 24550805887.

It is an arithmetic number, because the mean of its divisors is an integer number (24550805887).

Almost surely, 2^49101611773 is an apocalyptic number.

It is an amenable number.

49101611773 is a deficient number, since it is larger than the sum of its proper divisors (1).

49101611773 is an equidigital number, since it uses as much as digits as its factorization.

49101611773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 40.

The spelling of 49101611773 in words is "forty-nine billion, one hundred one million, six hundred eleven thousand, seven hundred seventy-three".