3213979491474 has 20 divisors (see below), whose sum is σ = 7201694786814. Its totient is φ = 1071326497104.

The previous prime is 3213979491391. The next prime is 3213979491539. The reversal of 3213979491474 is 4741949793123.

3213979491474 is a `hidden beast` number, since 3 + 2 + 1 + 3 + 9 + 79 + 4 + 91 + 474 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1919374722225 + 1294604769249 = 1385415^2 + 1137807^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9919689627 + ... + 9919689950.

Almost surely, 2^{3213979491474} is an apocalyptic number.

3213979491474 is an abundant number, since it is smaller than the sum of its proper divisors (3987715295340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3213979491474 is a wasteful number, since it uses less digits than its factorization.

3213979491474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19839379591 (or 19839379582 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The spelling of 3213979491474 in words is "three trillion, two hundred thirteen billion, nine hundred seventy-nine million, four hundred ninety-one thousand, four hundred seventy-four".