1914894984218 has 16 divisors (see below), whose sum is σ = 2888505528480. Its totient is φ = 952060239696.

The previous prime is 1914894984139. The next prime is 1914894984229. The reversal of 1914894984218 is 8124894984191.

It is a happy 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, 10144205 + ... + 10331247.

It is an arithmetic number, because the mean of its divisors is an integer number (180531595530).

Almost surely, 2^{1914894984218} is an apocalyptic number.

1914894984218 is a deficient number, since it is larger than the sum of its proper divisors (973610544262).

1914894984218 is a wasteful number, since it uses less digits than its factorization.

1914894984218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215821.

The product of its digits is 47775744, while the sum is 68.

The spelling of 1914894984218 in words is "one trillion, nine hundred fourteen billion, eight hundred ninety-four million, nine hundred eighty-four thousand, two hundred eighteen".