38642673101 has 4 divisors (see below), whose sum is σ = 39975179100. Its totient is φ = 37310167104.

The previous prime is 38642673077. The next prime is 38642673103. The reversal of 38642673101 is 10137624683.

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 32724448201 + 5918224900 = 180899^2 + 76930^2 .

It is a cyclic number.

It is not a de Polignac number, because 38642673101 - 2²² = 38638478797 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 (38642673103) 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, 666252956 + ... + 666253013.

It is an arithmetic number, because the mean of its divisors is an integer number (9993794775).

Almost surely, 2^38642673101 is an apocalyptic number.

It is an amenable number.

38642673101 is a deficient number, since it is larger than the sum of its proper divisors (1332505999).

38642673101 is a wasteful number, since it uses less digits than its factorization.

38642673101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332505998.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 38642673101 in words is "thirty-eight billion, six hundred forty-two million, six hundred seventy-three thousand, one hundred one".