3445643207 has 4 divisors (see below), whose sum is σ = 3564458520. Its totient is φ = 3326827896.

The previous prime is 3445643203. The next prime is 3445643209. The reversal of 3445643207 is 7023465443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7023465443 = 12973 ⋅541391.

It is a cyclic number.

It is not a de Polignac number, because 3445643207 - 2² = 3445643203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445643203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59407613 + ... + 59407670.

It is an arithmetic number, because the mean of its divisors is an integer number (891114630).

Almost surely, 2^3445643207 is an apocalyptic number.

3445643207 is a deficient number, since it is larger than the sum of its proper divisors (118815313).

3445643207 is a wasteful number, since it uses less digits than its factorization.

3445643207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118815312.

The product of its (nonzero) digits is 241920, while the sum is 38.

The square root of 3445643207 is about 58699.6014211340. The cubic root of 3445643207 is about 1510.3934777105.

The spelling of 3445643207 in words is "three billion, four hundred forty-five million, six hundred forty-three thousand, two hundred seven".