48157949989 has 2 divisors, whose sum is σ = 48157949990. Its totient is φ = 48157949988.

The previous prime is 48157949981. The next prime is 48157950017. The reversal of 48157949989 is 98994975184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28998684100 + 19159265889 = 170290^2 + 138417^2 .

It is a cyclic number.

It is not a de Polignac number, because 48157949989 - 2³ = 48157949981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48157949981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24078974994 + 24078974995.

It is an arithmetic number, because the mean of its divisors is an integer number (24078974995).

Almost surely, 2^48157949989 is an apocalyptic number.

It is an amenable number.

48157949989 is a deficient number, since it is larger than the sum of its proper divisors (1).

48157949989 is an equidigital number, since it uses as much as digits as its factorization.

48157949989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235146240, while the sum is 73.

The spelling of 48157949989 in words is "forty-eight billion, one hundred fifty-seven million, nine hundred forty-nine thousand, nine hundred eighty-nine".