4433397816 has 32 divisors (see below), whose sum is σ = 11164404240. Its totient is φ = 1467011328.

The previous prime is 4433397799. The next prime is 4433397841. The reversal of 4433397816 is 6187933344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670891 + ... + 677466.

Almost surely, 2^4433397816 is an apocalyptic number.

It is an amenable number.

4433397816 is an abundant number, since it is smaller than the sum of its proper divisors (6731006424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4433397816 is a wasteful number, since it uses less digits than its factorization.

4433397816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348503 (or 1348499 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The square root of 4433397816 is about 66583.7654086940. The cubic root of 4433397816 is about 1642.7780863526.

The spelling of 4433397816 in words is "four billion, four hundred thirty-three million, three hundred ninety-seven thousand, eight hundred sixteen".