745543315229 has 2 divisors, whose sum is σ = 745543315230. Its totient is φ = 745543315228.

The previous prime is 745543315217. The next prime is 745543315289. The reversal of 745543315229 is 922513345547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375398839204 + 370144476025 = 612698^2 + 608395^2 .

It is an emirp because it is prime and its reverse (922513345547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745543315229 - 2⁸ = 745543314973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745543315289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372771657614 + 372771657615.

It is an arithmetic number, because the mean of its divisors is an integer number (372771657615).

Almost surely, 2^745543315229 is an apocalyptic number.

It is an amenable number.

745543315229 is a deficient number, since it is larger than the sum of its proper divisors (1).

745543315229 is an equidigital number, since it uses as much as digits as its factorization.

745543315229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 50.

The spelling of 745543315229 in words is "seven hundred forty-five billion, five hundred forty-three million, three hundred fifteen thousand, two hundred twenty-nine".