745330443617 has 2 divisors, whose sum is σ = 745330443618. Its totient is φ = 745330443616.

The previous prime is 745330443581. The next prime is 745330443659. The reversal of 745330443617 is 716344033547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 739340302801 + 5990140816 = 859849^2 + 77396^2 .

It is a cyclic number.

It is not a de Polignac number, because 745330443617 - 2⁶ = 745330443553 is a prime.

It is not a weakly prime, because it can be changed into another prime (745330413617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372665221808 + 372665221809.

It is an arithmetic number, because the mean of its divisors is an integer number (372665221809).

Almost surely, 2^745330443617 is an apocalyptic number.

It is an amenable number.

745330443617 is a deficient number, since it is larger than the sum of its proper divisors (1).

745330443617 is an equidigital number, since it uses as much as digits as its factorization.

745330443617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 47.

The spelling of 745330443617 in words is "seven hundred forty-five billion, three hundred thirty million, four hundred forty-three thousand, six hundred seventeen".