8745389573 has 2 divisors, whose sum is σ = 8745389574. Its totient is φ = 8745389572.

The previous prime is 8745389539. The next prime is 8745389617. The reversal of 8745389573 is 3759835478.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8742624004 + 2765569 = 93502^2 + 1663^2 .

It is a cyclic number.

It is not a de Polignac number, because 8745389573 - 2¹² = 8745385477 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 (8745389473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4372694786 + 4372694787.

It is an arithmetic number, because the mean of its divisors is an integer number (4372694787).

Almost surely, 2^8745389573 is an apocalyptic number.

It is an amenable number.

8745389573 is a deficient number, since it is larger than the sum of its proper divisors (1).

8745389573 is an equidigital number, since it uses as much as digits as its factorization.

8745389573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25401600, while the sum is 59.

The square root of 8745389573 is about 93516.7876533406. The cubic root of 8745389573 is about 2060.2806647000.

The spelling of 8745389573 in words is "eight billion, seven hundred forty-five million, three hundred eighty-nine thousand, five hundred seventy-three".