38418298885 has 4 divisors (see below), whose sum is σ = 46101958668. Its totient is φ = 30734639104.

The previous prime is 38418298829. The next prime is 38418298907. The reversal of 38418298885 is 58889281483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58889281483 = 173 ⋅340400471.

It can be written as a sum of positive squares in 2 ways, for example, as 27317147841 + 11101151044 = 165279^2 + 105362^2 .

It is a cyclic number.

It is not a de Polignac number, because 38418298885 - 2¹⁹ = 38417774597 is a prime.

It is a super-3 number, since 3×38418298885³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3841829884 + ... + 3841829893.

It is an arithmetic number, because the mean of its divisors is an integer number (11525489667).

Almost surely, 2^38418298885 is an apocalyptic number.

It is an amenable number.

38418298885 is a deficient number, since it is larger than the sum of its proper divisors (7683659783).

38418298885 is an equidigital number, since it uses as much as digits as its factorization.

38418298885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683659782.

The product of its digits is 35389440, while the sum is 64.

The spelling of 38418298885 in words is "thirty-eight billion, four hundred eighteen million, two hundred ninety-eight thousand, eight hundred eighty-five".