3381493473 has 36 divisors (see below), whose sum is σ = 5117989188. Its totient is φ = 2233889280.

The previous prime is 3381493421. The next prime is 3381493481. The reversal of 3381493473 is 3743941833.

It is a happy number.

3381493473 is a `hidden beast` number, since 3 + 38 + 149 + 3 + 473 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 453817809 + 2927675664 = 21303^2 + 54108^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3381493473 is a prime.

It is a super-2 number, since 2×3381493473² = 22868996215883203458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3381493483) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 739113 + ... + 743673.

Almost surely, 2^3381493473 is an apocalyptic number.

It is an amenable number.

3381493473 is a deficient number, since it is larger than the sum of its proper divisors (1736495715).

3381493473 is an frugal number, since it uses more digits than its factorization.

3381493473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698 (or 4677 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 3381493473 is about 58150.6102547514. The cubic root of 3381493473 is about 1500.9613797011.

The spelling of 3381493473 in words is "three billion, three hundred eighty-one million, four hundred ninety-three thousand, four hundred seventy-three".