38893296729 has 32 divisors (see below), whose sum is σ = 59504752384. Its totient is φ = 22135368960.

The previous prime is 38893296719. The next prime is 38893296733. The reversal of 38893296729 is 92769239883.

It is not a de Polignac number, because 38893296729 - 2¹³ = 38893288537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38893296729.

It is not an unprimeable number, because it can be changed into a prime (38893296719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6678639 + ... + 6684459.

It is an arithmetic number, because the mean of its divisors is an integer number (1859523512).

Almost surely, 2^38893296729 is an apocalyptic number.

It is an amenable number.

38893296729 is a deficient number, since it is larger than the sum of its proper divisors (20611455655).

38893296729 is a wasteful number, since it uses less digits than its factorization.

38893296729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057.

The product of its digits is 70543872, while the sum is 66.

The spelling of 38893296729 in words is "thirty-eight billion, eight hundred ninety-three million, two hundred ninety-six thousand, seven hundred twenty-nine".