18700073701 has 4 divisors (see below), whose sum is σ = 18701826732. Its totient is φ = 18698320672.

The previous prime is 18700073669. The next prime is 18700073731. The reversal of 18700073701 is 10737000781.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4407632100 + 14292441601 = 66390^2 + 119551^2 .

It is a cyclic number.

It is not a de Polignac number, because 18700073701 - 2⁵ = 18700073669 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 (18700073731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860416 + ... + 881881.

It is an arithmetic number, because the mean of its divisors is an integer number (4675456683).

Almost surely, 2^18700073701 is an apocalyptic number.

It is an amenable number.

18700073701 is a deficient number, since it is larger than the sum of its proper divisors (1753031).

18700073701 is a wasteful number, since it uses less digits than its factorization.

18700073701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753030.

The product of its (nonzero) digits is 8232, while the sum is 34.

The spelling of 18700073701 in words is "eighteen billion, seven hundred million, seventy-three thousand, seven hundred one".