38898999433 has 16 divisors (see below), whose sum is σ = 45719520640. Its totient is φ = 32396806656.

The previous prime is 38898999409. The next prime is 38898999439. The reversal of 38898999433 is 33499989883.

It is a cyclic number.

It is not a de Polignac number, because 38898999433 - 2²¹ = 38896902281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38898999439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89785 + ... + 293017.

It is an arithmetic number, because the mean of its divisors is an integer number (2857470040).

Almost surely, 2^38898999433 is an apocalyptic number.

It is an amenable number.

38898999433 is a deficient number, since it is larger than the sum of its proper divisors (6820521207).

38898999433 is a wasteful number, since it uses less digits than its factorization.

38898999433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204016.

The product of its digits is 362797056, while the sum is 73.

The spelling of 38898999433 in words is "thirty-eight billion, eight hundred ninety-eight million, nine hundred ninety-nine thousand, four hundred thirty-three".