3340349945 has 4 divisors (see below), whose sum is σ = 4008419940. Its totient is φ = 2672279952.

The previous prime is 3340349939. The next prime is 3340349981. The reversal of 3340349945 is 5499430433.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1975269136 + 1365080809 = 44444^2 + 36947^2 .

It is a cyclic number.

It is not a de Polignac number, because 3340349945 - 2¹² = 3340345849 is a prime.

It is a super-2 number, since 2×3340349945² = 22315875510123006050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3340349896 and 3340349905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334034990 + ... + 334034999.

It is an arithmetic number, because the mean of its divisors is an integer number (1002104985).

Almost surely, 2^3340349945 is an apocalyptic number.

It is an amenable number.

3340349945 is a deficient number, since it is larger than the sum of its proper divisors (668069995).

3340349945 is an equidigital number, since it uses as much as digits as its factorization.

3340349945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668069994.

The product of its (nonzero) digits is 699840, while the sum is 44.

The square root of 3340349945 is about 57795.7606144257. The cubic root of 3340349945 is about 1494.8489901646.

The spelling of 3340349945 in words is "three billion, three hundred forty million, three hundred forty-nine thousand, nine hundred forty-five".