38694754189 has 24 divisors (see below), whose sum is σ = 48903818040. Its totient is φ = 30344638464.

The previous prime is 38694754183. The next prime is 38694754207. The reversal of 38694754189 is 98145749683.

It can be written as a sum of positive squares in 4 ways, for example, as 20385225 + 38674368964 = 4515^2 + 196658^2 .

It is not a de Polignac number, because 38694754189 - 2³ = 38694754181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38694754189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38694754181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196804 + ... + 340765.

It is an arithmetic number, because the mean of its divisors is an integer number (2037659085).

Almost surely, 2^38694754189 is an apocalyptic number.

It is an amenable number.

38694754189 is a deficient number, since it is larger than the sum of its proper divisors (10209063851).

38694754189 is a wasteful number, since it uses less digits than its factorization.

38694754189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537709 (or 537702 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 64.

The spelling of 38694754189 in words is "thirty-eight billion, six hundred ninety-four million, seven hundred fifty-four thousand, one hundred eighty-nine".