49638132399 has 8 divisors (see below), whose sum is σ = 66253628592. Its totient is φ = 33057362240.

The previous prime is 49638132391. The next prime is 49638132409. The reversal of 49638132399 is 99323183694.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49638132399 - 2³ = 49638132391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49638132391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8678172 + ... + 8683889.

It is an arithmetic number, because the mean of its divisors is an integer number (8281703574).

Almost surely, 2^49638132399 is an apocalyptic number.

49638132399 is a deficient number, since it is larger than the sum of its proper divisors (16615496193).

49638132399 is a wasteful number, since it uses less digits than its factorization.

49638132399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17363017.

The product of its digits is 7558272, while the sum is 57.

The spelling of 49638132399 in words is "forty-nine billion, six hundred thirty-eight million, one hundred thirty-two thousand, three hundred ninety-nine".