1916873914 has 8 divisors (see below), whose sum is σ = 2876308020. Its totient is φ = 958104576.

The previous prime is 1916873887. The next prime is 1916873941. The reversal of 1916873914 is 4193786191.

It is an interprime number because it is at equal distance from previous prime (1916873887) and next prime (1916873941).

It can be written as a sum of positive squares in 2 ways, for example, as 1877748889 + 39125025 = 43333^2 + 6255^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158919 + ... + 170554.

Almost surely, 2^1916873914 is an apocalyptic number.

1916873914 is a deficient number, since it is larger than the sum of its proper divisors (959434106).

1916873914 is a wasteful number, since it uses less digits than its factorization.

1916873914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332384.

The product of its digits is 326592, while the sum is 49.

The square root of 1916873914 is about 43782.1186559079. The cubic root of 1916873914 is about 1242.2180890108.

The spelling of 1916873914 in words is "one billion, nine hundred sixteen million, eight hundred seventy-three thousand, nine hundred fourteen".