38895937499 has 4 divisors (see below), whose sum is σ = 39364563336. Its totient is φ = 38427311664.

The previous prime is 38895937471. The next prime is 38895937511. The reversal of 38895937499 is 99473959883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99473959883 = 953 ⋅104379811.

It is a cyclic number.

It is not a de Polignac number, because 38895937499 - 2³² = 34600970203 is a prime.

It is a super-2 number, since 2×38895937499² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38895937099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234312794 + ... + 234312959.

It is an arithmetic number, because the mean of its divisors is an integer number (9841140834).

Almost surely, 2^38895937499 is an apocalyptic number.

38895937499 is a deficient number, since it is larger than the sum of its proper divisors (468625837).

38895937499 is an equidigital number, since it uses as much as digits as its factorization.

38895937499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468625836.

The product of its digits is 529079040, while the sum is 74.

The spelling of 38895937499 in words is "thirty-eight billion, eight hundred ninety-five million, nine hundred thirty-seven thousand, four hundred ninety-nine".