18534070794535 has 4 divisors (see below), whose sum is σ = 22240884953448. Its totient is φ = 14827256635624.

The previous prime is 18534070794487. The next prime is 18534070794641. The reversal of 18534070794535 is 53549707043581.

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 18534070794535 - 2⁹ = 18534070794023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853407079449 + ... + 1853407079458.

It is an arithmetic number, because the mean of its divisors is an integer number (5560221238362).

Almost surely, 2^{18534070794535} is an apocalyptic number.

18534070794535 is a deficient number, since it is larger than the sum of its proper divisors (3706814158913).

18534070794535 is an equidigital number, since it uses as much as digits as its factorization.

18534070794535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706814158912.

The product of its (nonzero) digits is 63504000, while the sum is 61.

The spelling of 18534070794535 in words is "eighteen trillion, five hundred thirty-four billion, seventy million, seven hundred ninety-four thousand, five hundred thirty-five".