3362978305 has 4 divisors (see below), whose sum is σ = 4035573972. Its totient is φ = 2690382640.

The previous prime is 3362978303. The next prime is 3362978317. The reversal of 3362978305 is 5038792633.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5038792633 = 7 ⋅719827519.

It can be written as a sum of positive squares in 2 ways, for example, as 1319215041 + 2043763264 = 36321^2 + 45208^2 .

It is not a de Polignac number, because 3362978305 - 2¹ = 3362978303 is a prime.

It is a super-2 number, since 2×3362978305² = 22619246159801346050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3362978303) 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, 336297826 + ... + 336297835.

It is an arithmetic number, because the mean of its divisors is an integer number (1008893493).

Almost surely, 2^3362978305 is an apocalyptic number.

It is an amenable number.

3362978305 is a deficient number, since it is larger than the sum of its proper divisors (672595667).

3362978305 is an equidigital number, since it uses as much as digits as its factorization.

3362978305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672595666.

The product of its (nonzero) digits is 816480, while the sum is 46.

The square root of 3362978305 is about 57991.1916156238. The cubic root of 3362978305 is about 1498.2168893323.

The spelling of 3362978305 in words is "three billion, three hundred sixty-two million, nine hundred seventy-eight thousand, three hundred five".