745330443618 has 16 divisors (see below), whose sum is σ = 1490671264896. Its totient is φ = 248441751600.

The previous prime is 745330443617. The next prime is 745330443659. The reversal of 745330443618 is 816344033547.

It is not an unprimeable number, because it can be changed into a prime (745330443617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749968 + ... + 1432868.

It is an arithmetic number, because the mean of its divisors is an integer number (93166954056).

Almost surely, 2^745330443618 is an apocalyptic number.

745330443618 is an abundant number, since it is smaller than the sum of its proper divisors (745340821278).

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

745330443618 is a wasteful number, since it uses less digits than its factorization.

745330443618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864809.

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 745330443618 in words is "seven hundred forty-five billion, three hundred thirty million, four hundred forty-three thousand, six hundred eighteen".