2159418854 has 16 divisors (see below), whose sum is σ = 3309465600. Its totient is φ = 1056283464.

The previous prime is 2159418847. The next prime is 2159418887. The reversal of 2159418854 is 4588149512.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 2159418799 and 2159418808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352187 + ... + 358265.

It is an arithmetic number, because the mean of its divisors is an integer number (206841600).

Almost surely, 2^2159418854 is an apocalyptic number.

2159418854 is a deficient number, since it is larger than the sum of its proper divisors (1150046746).

2159418854 is a wasteful number, since it uses less digits than its factorization.

2159418854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9907.

The product of its digits is 460800, while the sum is 47.

The square root of 2159418854 is about 46469.5475984004. The cubic root of 2159418854 is about 1292.5448738889.

The spelling of 2159418854 in words is "two billion, one hundred fifty-nine million, four hundred eighteen thousand, eight hundred fifty-four".