1916982946 has 8 divisors (see below), whose sum is σ = 2891361564. Its totient is φ = 953195760.

The previous prime is 1916982931. The next prime is 1916982961. The reversal of 1916982946 is 6492896191.

It is an interprime number because it is at equal distance from previous prime (1916982931) and next prime (1916982961).

It can be written as a sum of positive squares in 2 ways, for example, as 1324596025 + 592386921 = 36395^2 + 24339^2 .

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, 2647405 + ... + 2648128.

Almost surely, 2^1916982946 is an apocalyptic number.

1916982946 is a deficient number, since it is larger than the sum of its proper divisors (974378618).

1916982946 is a wasteful number, since it uses less digits than its factorization.

1916982946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295716.

The product of its digits is 1679616, while the sum is 55.

The square root of 1916982946 is about 43783.3638040752. The cubic root of 1916982946 is about 1242.2416410650.

The spelling of 1916982946 in words is "one billion, nine hundred sixteen million, nine hundred eighty-two thousand, nine hundred forty-six".