2152643896918 has 8 divisors (see below), whose sum is σ = 3228972761160. Its totient is φ = 1076319643200.

The previous prime is 2152643896913. The next prime is 2152643896939. The reversal of 2152643896918 is 8196983462512.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2152643896918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152643896913) 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, 473373 + ... + 2128231.

It is an arithmetic number, because the mean of its divisors is an integer number (403621595145).

Almost surely, 2^{2152643896918} is an apocalyptic number.

2152643896918 is a deficient number, since it is larger than the sum of its proper divisors (1076328864242).

2152643896918 is a wasteful number, since it uses less digits than its factorization.

2152643896918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305262.

The product of its digits is 44789760, while the sum is 64.

The spelling of 2152643896918 in words is "two trillion, one hundred fifty-two billion, six hundred forty-three million, eight hundred ninety-six thousand, nine hundred eighteen".