38464233134491 has 4 divisors (see below), whose sum is σ = 38531832841800. Its totient is φ = 38396633427184.

The previous prime is 38464233134471. The next prime is 38464233134617. The reversal of 38464233134491 is 19443133246483.

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 38464233134491 - 2²⁹ = 38463696263579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38464233134401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33799852801 + ... + 33799853938.

It is an arithmetic number, because the mean of its divisors is an integer number (9632958210450).

Almost surely, 2^{38464233134491} is an apocalyptic number.

38464233134491 is a deficient number, since it is larger than the sum of its proper divisors (67599707309).

38464233134491 is an equidigital number, since it uses as much as digits as its factorization.

38464233134491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67599707308.

The product of its digits is 17915904, while the sum is 55.

The spelling of 38464233134491 in words is "thirty-eight trillion, four hundred sixty-four billion, two hundred thirty-three million, one hundred thirty-four thousand, four hundred ninety-one".