38894226165629 has 4 divisors (see below), whose sum is σ = 38894718383520. Its totient is φ = 38893733947740.

The previous prime is 38894226165539. The next prime is 38894226165637. The reversal of 38894226165629 is 92656162249883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38894226165629 - 2²⁴ = 38894209388413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38894226165659) 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, 245990399 + ... + 246148460.

It is an arithmetic number, because the mean of its divisors is an integer number (9723679595880).

Almost surely, 2^{38894226165629} is an apocalyptic number.

It is an amenable number.

38894226165629 is a deficient number, since it is larger than the sum of its proper divisors (492217891).

38894226165629 is an equidigital number, since it uses as much as digits as its factorization.

38894226165629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492217890.

The product of its digits is 537477120, while the sum is 71.

The spelling of 38894226165629 in words is "thirty-eight trillion, eight hundred ninety-four billion, two hundred twenty-six million, one hundred sixty-five thousand, six hundred twenty-nine".