18894701458869 has 8 divisors (see below), whose sum is σ = 25221661548000. Its totient is φ = 12582104504496.

The previous prime is 18894701458849. The next prime is 18894701458873. The reversal of 18894701458869 is 96885410749881.

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

It is not a de Polignac number, because 18894701458869 - 2¹¹ = 18894701456821 is a prime.

It is a super-2 number, since 2×18894701458869² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18894701458794 and 18894701458803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18894701458849) 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, 3590780619 + ... + 3590785880.

It is an arithmetic number, because the mean of its divisors is an integer number (3152707693500).

Almost surely, 2^{18894701458869} is an apocalyptic number.

It is an amenable number.

18894701458869 is a deficient number, since it is larger than the sum of its proper divisors (6326960089131).

18894701458869 is an equidigital number, since it uses as much as digits as its factorization.

18894701458869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181567379.

The product of its (nonzero) digits is 1114767360, while the sum is 78.

The spelling of 18894701458869 in words is "eighteen trillion, eight hundred ninety-four billion, seven hundred one million, four hundred fifty-eight thousand, eight hundred sixty-nine".