3963198845 has 16 divisors (see below), whose sum is σ = 4871298432. Its totient is φ = 3093733440.

The previous prime is 3963198823. The next prime is 3963198857. The reversal of 3963198845 is 5488913693.

It is a happy number.

It is not a de Polignac number, because 3963198845 - 2⁶ = 3963198781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219875 + ... + 237215.

It is an arithmetic number, because the mean of its divisors is an integer number (304456152).

Almost surely, 2^3963198845 is an apocalyptic number.

It is an amenable number.

3963198845 is a deficient number, since it is larger than the sum of its proper divisors (908099587).

3963198845 is a wasteful number, since it uses less digits than its factorization.

3963198845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18452.

The product of its digits is 5598720, while the sum is 56.

The square root of 3963198845 is about 62953.9422514587. The cubic root of 3963198845 is about 1582.5178629458.

The spelling of 3963198845 in words is "three billion, nine hundred sixty-three million, one hundred ninety-eight thousand, eight hundred forty-five".