48438791999 has 12 divisors (see below), whose sum is σ = 52466941800. Its totient is φ = 44699544864.

The previous prime is 48438791993. The next prime is 48438792013. The reversal of 48438791999 is 99919783484.

It is not a de Polignac number, because 48438791999 - 2²⁸ = 48170356543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48438791993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557597 + ... + 638585.

It is an arithmetic number, because the mean of its divisors is an integer number (4372245150).

Almost surely, 2^48438791999 is an apocalyptic number.

48438791999 is a deficient number, since it is larger than the sum of its proper divisors (4028149801).

48438791999 is a wasteful number, since it uses less digits than its factorization.

48438791999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84554 (or 84541 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 71.

The spelling of 48438791999 in words is "forty-eight billion, four hundred thirty-eight million, seven hundred ninety-one thousand, nine hundred ninety-nine".