18670340283807 has 4 divisors (see below), whose sum is σ = 24893787045080. Its totient is φ = 12446893522536.

The previous prime is 18670340283781. The next prime is 18670340283877. The reversal of 18670340283807 is 70838204307681.

It is a happy number.

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

It is not a de Polignac number, because 18670340283807 - 2²⁰ = 18670339235231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18670340283877) 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, 3111723380632 + ... + 3111723380637.

It is an arithmetic number, because the mean of its divisors is an integer number (6223446761270).

Almost surely, 2^{18670340283807} is an apocalyptic number.

18670340283807 is a deficient number, since it is larger than the sum of its proper divisors (6223446761273).

18670340283807 is an equidigital number, since it uses as much as digits as its factorization.

18670340283807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6223446761272.

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 18670340283807 in words is "eighteen trillion, six hundred seventy billion, three hundred forty million, two hundred eighty-three thousand, eight hundred seven".