48912169 has 2 divisors, whose sum is σ = 48912170. Its totient is φ = 48912168.

The previous prime is 48912167. The next prime is 48912181. The reversal of 48912169 is 96121984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45050944 + 3861225 = 6712^2 + 1965^2 .

It is a cyclic number.

It is not a de Polignac number, because 48912169 - 2¹ = 48912167 is a prime.

It is a super-2 number, since 2×48912169² = 4784800552569122, which contains 22 as substring.

Together with 48912167, it forms a pair of twin primes.

It is equal to p_2939575 and since 48912169 and 2939575 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (48912167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24456084 + 24456085.

It is an arithmetic number, because the mean of its divisors is an integer number (24456085).

Almost surely, 2^48912169 is an apocalyptic number.

It is an amenable number.

48912169 is a deficient number, since it is larger than the sum of its proper divisors (1).

48912169 is an equidigital number, since it uses as much as digits as its factorization.

48912169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 40.

The square root of 48912169 is about 6993.7235432922. The cubic root of 48912169 is about 365.7118004548.

The spelling of 48912169 in words is "forty-eight million, nine hundred twelve thousand, one hundred sixty-nine".