48129399 has 12 divisors (see below), whose sum is σ = 69771312. Its totient is φ = 31970400.

The previous prime is 48129379. The next prime is 48129401. The reversal of 48129399 is 99392184.

It is not a de Polignac number, because 48129399 - 2¹¹ = 48127351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48129379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6987 + ... + 12044.

It is an arithmetic number, because the mean of its divisors is an integer number (5814276).

Almost surely, 2^48129399 is an apocalyptic number.

48129399 is a deficient number, since it is larger than the sum of its proper divisors (21641913).

48129399 is a wasteful number, since it uses less digits than its factorization.

48129399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19318 (or 19315 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 48129399 is about 6937.5355134226. The cubic root of 48129399 is about 363.7503999712.

The spelling of 48129399 in words is "forty-eight million, one hundred twenty-nine thousand, three hundred ninety-nine".