3213979066 has 4 divisors (see below), whose sum is σ = 4820968602. Its totient is φ = 1606989532.

The previous prime is 3213979061. The next prime is 3213979091. The reversal of 3213979066 is 6609793123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6609793123 = 31 ⋅213219133.

It can be written as a sum of positive squares in only one way, i.e., 2049463441 + 1164515625 = 45271^2 + 34125^2 .

It is a super-2 number, since 2×3213979066² = 20659322873372464712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3213979061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803494765 + ... + 803494768.

Almost surely, 2^3213979066 is an apocalyptic number.

3213979066 is a deficient number, since it is larger than the sum of its proper divisors (1606989536).

3213979066 is a wasteful number, since it uses less digits than its factorization.

3213979066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606989535.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 3213979066 is about 56691.9665032004. The cubic root of 3213979066 is about 1475.7552873753.

The spelling of 3213979066 in words is "three billion, two hundred thirteen million, nine hundred seventy-nine thousand, sixty-six".