65237428573 has 2 divisors, whose sum is σ = 65237428574. Its totient is φ = 65237428572.

The previous prime is 65237428507. The next prime is 65237428589. The reversal of 65237428573 is 37582473256.

65237428573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53762305689 + 11475122884 = 231867^2 + 107122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65237428573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65237428573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65238428573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32618714286 + 32618714287.

It is an arithmetic number, because the mean of its divisors is an integer number (32618714287).

Almost surely, 2^65237428573 is an apocalyptic number.

It is an amenable number.

65237428573 is a deficient number, since it is larger than the sum of its proper divisors (1).

65237428573 is an equidigital number, since it uses as much as digits as its factorization.

65237428573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 52.

The spelling of 65237428573 in words is "sixty-five billion, two hundred thirty-seven million, four hundred twenty-eight thousand, five hundred seventy-three".