38365405673243 has 4 divisors (see below), whose sum is σ = 41853169825368. Its totient is φ = 34877641521120.

The previous prime is 38365405673213. The next prime is 38365405673249. The reversal of 38365405673243 is 34237650456383.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38365405673243 - 2¹⁶ = 38365405607707 is a prime.

It is a super-2 number, since 2×38365405673243² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38365405673249) 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, 1743882076046 + ... + 1743882076067.

It is an arithmetic number, because the mean of its divisors is an integer number (10463292456342).

Almost surely, 2^{38365405673243} is an apocalyptic number.

38365405673243 is a deficient number, since it is larger than the sum of its proper divisors (3487764152125).

38365405673243 is a wasteful number, since it uses less digits than its factorization.

38365405673243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487764152124.

The product of its (nonzero) digits is 130636800, while the sum is 59.

The spelling of 38365405673243 in words is "thirty-eight trillion, three hundred sixty-five billion, four hundred five million, six hundred seventy-three thousand, two hundred forty-three".