3213689474 has 8 divisors (see below), whose sum is σ = 4899559548. Its totient is φ = 1580502960.

The previous prime is 3213689447. The next prime is 3213689483. The reversal of 3213689474 is 4749863123.

It can be written as a sum of positive squares in 2 ways, for example, as 3154507225 + 59182249 = 56165^2 + 7693^2 .

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, 13170737 + ... + 13170980.

Almost surely, 2^3213689474 is an apocalyptic number.

3213689474 is a deficient number, since it is larger than the sum of its proper divisors (1685870074).

3213689474 is a wasteful number, since it uses less digits than its factorization.

3213689474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26341780.

The product of its digits is 870912, while the sum is 47.

The square root of 3213689474 is about 56689.4123624509. The cubic root of 3213689474 is about 1475.7109622825.

The spelling of 3213689474 in words is "three billion, two hundred thirteen million, six hundred eighty-nine thousand, four hundred seventy-four".