3245666373 has 12 divisors (see below), whose sum is σ = 4692736620. Its totient is φ = 2161676736.

The previous prime is 3245666363. The next prime is 3245666377. The reversal of 3245666373 is 3736665423.

It can be written as a sum of positive squares in 2 ways, for example, as 2070068004 + 1175598369 = 45498^2 + 34287^2 .

It is not a de Polignac number, because 3245666373 - 2¹⁶ = 3245600837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245666377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165258 + ... + 183851.

It is an arithmetic number, because the mean of its divisors is an integer number (391061385).

Almost surely, 2^3245666373 is an apocalyptic number.

It is an amenable number.

3245666373 is a deficient number, since it is larger than the sum of its proper divisors (1447070247).

3245666373 is a wasteful number, since it uses less digits than its factorization.

3245666373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350148 (or 350145 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 45.

The square root of 3245666373 is about 56970.7501530391. The cubic root of 3245666373 is about 1480.5893642805.

The spelling of 3245666373 in words is "three billion, two hundred forty-five million, six hundred sixty-six thousand, three hundred seventy-three".