38416525729 has 4 divisors (see below), whose sum is σ = 38812572484. Its totient is φ = 38020478976.

The previous prime is 38416525709. The next prime is 38416525781. The reversal of 38416525729 is 92752561483.

38416525729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9011135329 + 29405390400 = 94927^2 + 171480^2 .

It is a cyclic number.

It is not a de Polignac number, because 38416525729 - 2¹⁹ = 38416001441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38416525709) 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, 198023232 + ... + 198023425.

It is an arithmetic number, because the mean of its divisors is an integer number (9703143121).

Almost surely, 2^38416525729 is an apocalyptic number.

It is an amenable number.

38416525729 is a deficient number, since it is larger than the sum of its proper divisors (396046755).

38416525729 is an equidigital number, since it uses as much as digits as its factorization.

38416525729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396046754.

The product of its digits is 3628800, while the sum is 52.

The spelling of 38416525729 in words is "thirty-eight billion, four hundred sixteen million, five hundred twenty-five thousand, seven hundred twenty-nine".