38639462403 has 4 divisors (see below), whose sum is σ = 51519283208. Its totient is φ = 25759641600.

The previous prime is 38639462383. The next prime is 38639462413. The reversal of 38639462403 is 30426493683.

It is a happy number.

38639462403 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, and also an emirpimes, since its reverse is a distinct semiprime: 30426493683 = 3 ⋅10142164561.

It is not a de Polignac number, because 38639462403 - 2¹⁴ = 38639446019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38639462413) 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, 6439910398 + ... + 6439910403.

It is an arithmetic number, because the mean of its divisors is an integer number (12879820802).

Almost surely, 2^38639462403 is an apocalyptic number.

38639462403 is a deficient number, since it is larger than the sum of its proper divisors (12879820805).

38639462403 is a wasteful number, since it uses less digits than its factorization.

38639462403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12879820804.

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 38639462403 in words is "thirty-eight billion, six hundred thirty-nine million, four hundred sixty-two thousand, four hundred three".