49547553989 has 2 divisors, whose sum is σ = 49547553990. Its totient is φ = 49547553988.

The previous prime is 49547553911. The next prime is 49547554003. The reversal of 49547553989 is 98935574594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39390340900 + 10157213089 = 198470^2 + 100783^2 .

It is a cyclic number.

It is not a de Polignac number, because 49547553989 - 2¹⁶ = 49547488453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49547553589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24773776994 + 24773776995.

It is an arithmetic number, because the mean of its divisors is an integer number (24773776995).

Almost surely, 2^49547553989 is an apocalyptic number.

It is an amenable number.

49547553989 is a deficient number, since it is larger than the sum of its proper divisors (1).

49547553989 is an equidigital number, since it uses as much as digits as its factorization.

49547553989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944000, while the sum is 68.

The spelling of 49547553989 in words is "forty-nine billion, five hundred forty-seven million, five hundred fifty-three thousand, nine hundred eighty-nine".