3445631999 has 4 divisors (see below), whose sum is σ = 3456855864. Its totient is φ = 3434408136.

The previous prime is 3445631933. The next prime is 3445632019. The reversal of 3445631999 is 9991365443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3445631999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3445631999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445631599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5611472 + ... + 5612085.

It is an arithmetic number, because the mean of its divisors is an integer number (864213966).

Almost surely, 2^3445631999 is an apocalyptic number.

3445631999 is a deficient number, since it is larger than the sum of its proper divisors (11223865).

3445631999 is a wasteful number, since it uses less digits than its factorization.

3445631999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11223864.

The product of its digits is 3149280, while the sum is 53.

The square root of 3445631999 is about 58699.5059519243. The cubic root of 3445631999 is about 1510.3918400377.

The spelling of 3445631999 in words is "three billion, four hundred forty-five million, six hundred thirty-one thousand, nine hundred ninety-nine".