2438172529899 has 8 divisors (see below), whose sum is σ = 3250937961792. Its totient is φ = 1625427725640.

The previous prime is 2438172529879. The next prime is 2438172529907. The reversal of 2438172529899 is 9989252718342.

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

It is not a de Polignac number, because 2438172529899 - 2²⁰ = 2438171481323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2438172529879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4878969 + ... + 5355434.

It is an arithmetic number, because the mean of its divisors is an integer number (406367245224).

Almost surely, 2^{2438172529899} is an apocalyptic number.

2438172529899 is a deficient number, since it is larger than the sum of its proper divisors (812765431893).

2438172529899 is a wasteful number, since it uses less digits than its factorization.

2438172529899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10313817.

The product of its digits is 156764160, while the sum is 69.

The spelling of 2438172529899 in words is "two trillion, four hundred thirty-eight billion, one hundred seventy-two million, five hundred twenty-nine thousand, eight hundred ninety-nine".