38954643393197 has 8 divisors (see below), whose sum is σ = 44519640724800. Its totient is φ = 33389658130464.

The previous prime is 38954643393181. The next prime is 38954643393203. The reversal of 38954643393197 is 79139334645983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38954643393197 - 2⁴ = 38954643393181 is a prime.

It is a super-2 number, since 2×38954643393197² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38954643399197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5503454 + ... + 10401792.

It is an arithmetic number, because the mean of its divisors is an integer number (5564955090600).

Almost surely, 2^{38954643393197} is an apocalyptic number.

It is an amenable number.

38954643393197 is a deficient number, since it is larger than the sum of its proper divisors (5564997331603).

38954643393197 is a wasteful number, since it uses less digits than its factorization.

38954643393197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034435.

The product of its digits is 1587237120, while the sum is 74.

The spelling of 38954643393197 in words is "thirty-eight trillion, nine hundred fifty-four billion, six hundred forty-three million, three hundred ninety-three thousand, one hundred ninety-seven".