1916848894 has 4 divisors (see below), whose sum is σ = 2875273344. Its totient is φ = 958424446.

The previous prime is 1916848861. The next prime is 1916848897. The reversal of 1916848894 is 4988486191.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916848897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479212222 + ... + 479212225.

It is an arithmetic number, because the mean of its divisors is an integer number (718818336).

Almost surely, 2^1916848894 is an apocalyptic number.

1916848894 is a deficient number, since it is larger than the sum of its proper divisors (958424450).

1916848894 is an equidigital number, since it uses as much as digits as its factorization.

1916848894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958424449.

The product of its digits is 3981312, while the sum is 58.

The square root of 1916848894 is about 43781.8329218867. The cubic root of 1916848894 is about 1242.2126843027.

The spelling of 1916848894 in words is "one billion, nine hundred sixteen million, eight hundred forty-eight thousand, eight hundred ninety-four".