38243264197 has 4 divisors (see below), whose sum is σ = 38243699200. Its totient is φ = 38242829196.

The previous prime is 38243264179. The next prime is 38243264273. The reversal of 38243264197 is 79146234283.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38243264197 - 2³⁵ = 3883525829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38243264197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38243264117) 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, 34053 + ... + 278650.

It is an arithmetic number, because the mean of its divisors is an integer number (9560924800).

Almost surely, 2^38243264197 is an apocalyptic number.

It is an amenable number.

38243264197 is a deficient number, since it is larger than the sum of its proper divisors (435003).

38243264197 is a wasteful number, since it uses less digits than its factorization.

38243264197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435002.

The product of its digits is 1741824, while the sum is 49.

The spelling of 38243264197 in words is "thirty-eight billion, two hundred forty-three million, two hundred sixty-four thousand, one hundred ninety-seven".