48408978169 has 2 divisors, whose sum is σ = 48408978170. Its totient is φ = 48408978168.

The previous prime is 48408978119. The next prime is 48408978223. The reversal of 48408978169 is 96187980484.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36168432400 + 12240545769 = 190180^2 + 110637^2 .

It is a cyclic number.

It is not a de Polignac number, because 48408978169 - 2¹⁵ = 48408945401 is a prime.

It is a super-2 number, since 2×48408978169² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48408978169.

It is not a weakly prime, because it can be changed into another prime (48408978119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24204489084 + 24204489085.

It is an arithmetic number, because the mean of its divisors is an integer number (24204489085).

Almost surely, 2^48408978169 is an apocalyptic number.

It is an amenable number.

48408978169 is a deficient number, since it is larger than the sum of its proper divisors (1).

48408978169 is an equidigital number, since it uses as much as digits as its factorization.

48408978169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27869184, while the sum is 64.

The spelling of 48408978169 in words is "forty-eight billion, four hundred eight million, nine hundred seventy-eight thousand, one hundred sixty-nine".