38479135507143 has 4 divisors (see below), whose sum is σ = 51305514009528. Its totient is φ = 25652757004760.

The previous prime is 38479135507081. The next prime is 38479135507147. The reversal of 38479135507143 is 34170553197483.

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 38479135507143 - 2⁹ = 38479135506631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38479135507147) 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, 6413189251188 + ... + 6413189251193.

It is an arithmetic number, because the mean of its divisors is an integer number (12826378502382).

Almost surely, 2^{38479135507143} is an apocalyptic number.

38479135507143 is a deficient number, since it is larger than the sum of its proper divisors (12826378502385).

38479135507143 is a wasteful number, since it uses less digits than its factorization.

38479135507143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12826378502384.

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 38479135507143 in words is "thirty-eight trillion, four hundred seventy-nine billion, one hundred thirty-five million, five hundred seven thousand, one hundred forty-three".