1983775274 has 16 divisors (see below), whose sum is σ = 3206438088. Its totient is φ = 915052032.

The previous prime is 1983775253. The next prime is 1983775291. The reversal of 1983775274 is 4725773891.

It can be written as a sum of positive squares in 4 ways, for example, as 652036225 + 1331739049 = 25535^2 + 36493^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 24734 + ... + 67670.

Almost surely, 2^1983775274 is an apocalyptic number.

1983775274 is a deficient number, since it is larger than the sum of its proper divisors (1222662814).

1983775274 is a wasteful number, since it uses less digits than its factorization.

1983775274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44729.

The product of its digits is 2963520, while the sum is 53.

The square root of 1983775274 is about 44539.5922073833. The cubic root of 1983775274 is about 1256.5048162950.

The spelling of 1983775274 in words is "one billion, nine hundred eighty-three million, seven hundred seventy-five thousand, two hundred seventy-four".