38817429112799 has 4 divisors (see below), whose sum is σ = 39549833435736. Its totient is φ = 38085024789864.

The previous prime is 38817429112769. The next prime is 38817429112837. The reversal of 38817429112799 is 99721192471883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38817429112799 - 2³² = 38813134145503 is a prime.

It is a super-2 number, since 2×38817429112799² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38817429112729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366202161389 + ... + 366202161494.

It is an arithmetic number, because the mean of its divisors is an integer number (9887458358934).

Almost surely, 2^{38817429112799} is an apocalyptic number.

38817429112799 is a deficient number, since it is larger than the sum of its proper divisors (732404322937).

38817429112799 is an equidigital number, since it uses as much as digits as its factorization.

38817429112799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732404322936.

The product of its digits is 109734912, while the sum is 71.

The spelling of 38817429112799 in words is "thirty-eight trillion, eight hundred seventeen billion, four hundred twenty-nine million, one hundred twelve thousand, seven hundred ninety-nine".