4245320560993 has 2 divisors, whose sum is σ = 4245320560994. Its totient is φ = 4245320560992.

The previous prime is 4245320560967. The next prime is 4245320561039. The reversal of 4245320560993 is 3990650235424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4131901813264 + 113418747729 = 2032708^2 + 336777^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245320560993 - 2¹³ = 4245320552801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4245320560993.

It is not a weakly prime, because it can be changed into another prime (4245320560963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122660280496 + 2122660280497.

It is an arithmetic number, because the mean of its divisors is an integer number (2122660280497).

Almost surely, 2^{4245320560993} is an apocalyptic number.

It is an amenable number.

4245320560993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245320560993 is an equidigital number, since it uses as much as digits as its factorization.

4245320560993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 4245320560993 in words is "four trillion, two hundred forty-five billion, three hundred twenty million, five hundred sixty thousand, nine hundred ninety-three".