3340521473 has 2 divisors, whose sum is σ = 3340521474. Its totient is φ = 3340521472.

The previous prime is 3340521439. The next prime is 3340521487. The reversal of 3340521473 is 3741250433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3288219649 + 52301824 = 57343^2 + 7232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3340521473 is a prime.

It is a super-2 number, since 2×3340521473² = 22318167423148179458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3340521493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670260736 + 1670260737.

It is an arithmetic number, because the mean of its divisors is an integer number (1670260737).

Almost surely, 2^3340521473 is an apocalyptic number.

It is an amenable number.

3340521473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340521473 is an equidigital number, since it uses as much as digits as its factorization.

3340521473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 3340521473 is about 57797.2445104436. The cubic root of 3340521473 is about 1494.8745767122.

The spelling of 3340521473 in words is "three billion, three hundred forty million, five hundred twenty-one thousand, four hundred seventy-three".