36018997813 has 8 divisors (see below), whose sum is σ = 38022148800. Its totient is φ = 34026588288.

The previous prime is 36018997793. The next prime is 36018997823. The reversal of 36018997813 is 31879981063.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36018997813 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 (36018997823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678473 + ... + 2691886.

It is an arithmetic number, because the mean of its divisors is an integer number (4752768600).

Almost surely, 2^36018997813 is an apocalyptic number.

It is an amenable number.

36018997813 is a deficient number, since it is larger than the sum of its proper divisors (2003150987).

36018997813 is a wasteful number, since it uses less digits than its factorization.

36018997813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370731.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 36018997813 in words is "thirty-six billion, eighteen million, nine hundred ninety-seven thousand, eight hundred thirteen".