49773262847989 has 2 divisors, whose sum is σ = 49773262847990. Its totient is φ = 49773262847988.

The previous prime is 49773262847963. The next prime is 49773262848011. The reversal of 49773262847989 is 98974826237794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46946930279089 + 2826332568900 = 6851783^2 + 1681170^2 .

It is a cyclic number.

It is not a de Polignac number, because 49773262847989 - 2²⁷ = 49773128630261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49773262847089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24886631423994 + 24886631423995.

It is an arithmetic number, because the mean of its divisors is an integer number (24886631423995).

Almost surely, 2^{49773262847989} is an apocalyptic number.

It is an amenable number.

49773262847989 is a deficient number, since it is larger than the sum of its proper divisors (1).

49773262847989 is an equidigital number, since it uses as much as digits as its factorization.

49773262847989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18435465216, while the sum is 85.

The spelling of 49773262847989 in words is "forty-nine trillion, seven hundred seventy-three billion, two hundred sixty-two million, eight hundred forty-seven thousand, nine hundred eighty-nine".