48639169 has 2 divisors, whose sum is σ = 48639170. Its totient is φ = 48639168.

The previous prime is 48639137. The next prime is 48639191. The reversal of 48639169 is 96193684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44395569 + 4243600 = 6663^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 48639169 - 2⁵ = 48639137 is a prime.

It is a super-2 number, since 2×48639169² = 4731537522021122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48639769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24319584 + 24319585.

It is an arithmetic number, because the mean of its divisors is an integer number (24319585).

Almost surely, 2^48639169 is an apocalyptic number.

It is an amenable number.

48639169 is a deficient number, since it is larger than the sum of its proper divisors (1).

48639169 is an equidigital number, since it uses as much as digits as its factorization.

48639169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 46.

The square root of 48639169 is about 6974.1787330122. The cubic root of 48639169 is about 365.0301319967.

The spelling of 48639169 in words is "forty-eight million, six hundred thirty-nine thousand, one hundred sixty-nine".