38998889983 has 4 divisors (see below), whose sum is σ = 41051463160. Its totient is φ = 36946316808.

The previous prime is 38998889981. The next prime is 38998890017.

38998889983 is nontrivially palindromic in base 10.

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 38998889983 - 2¹ = 38998889981 is a prime.

It is a super-2 number, since 2×38998889983² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38998889897 and 38998889906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38998889981) 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, 1026286560 + ... + 1026286597.

It is an arithmetic number, because the mean of its divisors is an integer number (10262865790).

Almost surely, 2^38998889983 is an apocalyptic number.

38998889983 is a deficient number, since it is larger than the sum of its proper divisors (2052573177).

38998889983 is a wasteful number, since it uses less digits than its factorization.

38998889983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052573176.

The product of its digits is 1934917632, while the sum is 82.

The spelling of 38998889983 in words is "thirty-eight billion, nine hundred ninety-eight million, eight hundred eighty-nine thousand, nine hundred eighty-three".