3520381845 has 32 divisors (see below), whose sum is σ = 6277841280. Its totient is φ = 1674086400.

The previous prime is 3520381841. The next prime is 3520381849. The reversal of 3520381845 is 5481830253.

3520381845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3520381841) and next prime (3520381849).

It is not a de Polignac number, because 3520381845 - 2² = 3520381841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520381841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358456 + ... + 368145.

It is an arithmetic number, because the mean of its divisors is an integer number (196182540).

Almost surely, 2^3520381845 is an apocalyptic number.

It is an amenable number.

3520381845 is a deficient number, since it is larger than the sum of its proper divisors (2757459435).

3520381845 is a wasteful number, since it uses less digits than its factorization.

3520381845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726645.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 3520381845 is about 59332.8058075800. The cubic root of 3520381845 is about 1521.2359875575.

The spelling of 3520381845 in words is "three billion, five hundred twenty million, three hundred eighty-one thousand, eight hundred forty-five".