48989591249 has 2 divisors, whose sum is σ = 48989591250. Its totient is φ = 48989591248.

The previous prime is 48989591213. The next prime is 48989591257. The reversal of 48989591249 is 94219598984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46569640000 + 2419951249 = 215800^2 + 49193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48989591249 is a prime.

It is not a weakly prime, because it can be changed into another prime (48989597249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24494795624 + 24494795625.

It is an arithmetic number, because the mean of its divisors is an integer number (24494795625).

Almost surely, 2^48989591249 is an apocalyptic number.

It is an amenable number.

48989591249 is a deficient number, since it is larger than the sum of its proper divisors (1).

48989591249 is an equidigital number, since it uses as much as digits as its factorization.

48989591249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67184640, while the sum is 68.

The spelling of 48989591249 in words is "forty-eight billion, nine hundred eighty-nine million, five hundred ninety-one thousand, two hundred forty-nine".