48135869 has 2 divisors, whose sum is σ = 48135870. Its totient is φ = 48135868.

The previous prime is 48135863. The next prime is 48135881. The reversal of 48135869 is 96853184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48135844 + 25 = 6938^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 48135869 - 2⁸ = 48135613 is a prime.

It is a super-2 number, since 2×48135869² = 4634123768770322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48135863) 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, 24067934 + 24067935.

It is an arithmetic number, because the mean of its divisors is an integer number (24067935).

Almost surely, 2^48135869 is an apocalyptic number.

It is an amenable number.

48135869 is a deficient number, since it is larger than the sum of its proper divisors (1).

48135869 is an equidigital number, since it uses as much as digits as its factorization.

48135869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 48135869 is about 6938.0018016717. The cubic root of 48135869 is about 363.7666988079.

The spelling of 48135869 in words is "forty-eight million, one hundred thirty-five thousand, eight hundred sixty-nine".