3338564947 has 4 divisors (see below), whose sum is σ = 3339120760. Its totient is φ = 3338009136.

The previous prime is 3338564939. The next prime is 3338565007. The reversal of 3338564947 is 7494658333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7494658333 = 347 ⋅21598439.

It is a cyclic number.

It is not a de Polignac number, because 3338564947 - 2³ = 3338564939 is a prime.

It is a super-2 number, since 2×3338564947² = 22292031810674225618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3338564894 and 3338564903.

It is not an unprimeable number, because it can be changed into a prime (3338564927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268797 + ... + 280942.

It is an arithmetic number, because the mean of its divisors is an integer number (834780190).

Almost surely, 2^3338564947 is an apocalyptic number.

3338564947 is a deficient number, since it is larger than the sum of its proper divisors (555813).

3338564947 is an equidigital number, since it uses as much as digits as its factorization.

3338564947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555812.

The product of its digits is 6531840, while the sum is 52.

The square root of 3338564947 is about 57780.3162590860. The cubic root of 3338564947 is about 1494.5826729689.

The spelling of 3338564947 in words is "three billion, three hundred thirty-eight million, five hundred sixty-four thousand, nine hundred forty-seven".