1914188479 has 12 divisors (see below), whose sum is σ = 2263216008. Its totient is φ = 1613833200.

The previous prime is 1914188467. The next prime is 1914188509. The reversal of 1914188479 is 9748814191.

It is not a de Polignac number, because 1914188479 - 2⁵ = 1914188447 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 (1914188779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317217 + ... + 323194.

It is an arithmetic number, because the mean of its divisors is an integer number (188601334).

Almost surely, 2^1914188479 is an apocalyptic number.

1914188479 is a deficient number, since it is larger than the sum of its proper divisors (349027529).

1914188479 is an equidigital number, since it uses as much as digits as its factorization.

1914188479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640486 (or 640479 counting only the distinct ones).

The product of its digits is 580608, while the sum is 52.

The square root of 1914188479 is about 43751.4397363104. The cubic root of 1914188479 is about 1241.6377248172.

The spelling of 1914188479 in words is "one billion, nine hundred fourteen million, one hundred eighty-eight thousand, four hundred seventy-nine".