38203047899 has 4 divisors (see below), whose sum is σ = 38581296000. Its totient is φ = 37824799800.

The previous prime is 38203047893. The next prime is 38203047913. The reversal of 38203047899 is 99874030283.

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 38203047899 - 2³² = 33908080603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38203047899.

It is not an unprimeable number, because it can be changed into a prime (38203047893) 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, 189123899 + ... + 189124100.

It is an arithmetic number, because the mean of its divisors is an integer number (9645324000).

Almost surely, 2^38203047899 is an apocalyptic number.

38203047899 is a deficient number, since it is larger than the sum of its proper divisors (378248101).

38203047899 is a wasteful number, since it uses less digits than its factorization.

38203047899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378248100.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 38203047899 in words is "thirty-eight billion, two hundred three million, forty-seven thousand, eight hundred ninety-nine".