3309944746 has 4 divisors (see below), whose sum is σ = 4964917122. Its totient is φ = 1654972372.

The previous prime is 3309944731. The next prime is 3309944747. The reversal of 3309944746 is 6474499033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6474499033 = 19 ⋅340763107.

It can be written as a sum of positive squares in only one way, i.e., 2412283225 + 897661521 = 49115^2 + 29961^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3309944746.

It is not an unprimeable number, because it can be changed into a prime (3309944747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827486185 + ... + 827486188.

Almost surely, 2^3309944746 is an apocalyptic number.

3309944746 is a deficient number, since it is larger than the sum of its proper divisors (1654972376).

3309944746 is a wasteful number, since it uses less digits than its factorization.

3309944746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654972375.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The square root of 3309944746 is about 57532.1192552473. The cubic root of 3309944746 is about 1490.2995878230.

The spelling of 3309944746 in words is "three billion, three hundred nine million, nine hundred forty-four thousand, seven hundred forty-six".