48542179249 has 2 divisors, whose sum is σ = 48542179250. Its totient is φ = 48542179248.

The previous prime is 48542179243. The next prime is 48542179307. The reversal of 48542179249 is 94297124584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46799534224 + 1742645025 = 216332^2 + 41745^2 .

It is a cyclic number.

It is not a de Polignac number, because 48542179249 - 2¹⁹ = 48541654961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48542179249.

It is not a weakly prime, because it can be changed into another prime (48542179243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24271089624 + 24271089625.

It is an arithmetic number, because the mean of its divisors is an integer number (24271089625).

Almost surely, 2^48542179249 is an apocalyptic number.

It is an amenable number.

48542179249 is a deficient number, since it is larger than the sum of its proper divisors (1).

48542179249 is an equidigital number, since it uses as much as digits as its factorization.

48542179249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 55.

The spelling of 48542179249 in words is "forty-eight billion, five hundred forty-two million, one hundred seventy-nine thousand, two hundred forty-nine".