65089263593 has 2 divisors, whose sum is σ = 65089263594. Its totient is φ = 65089263592.

The previous prime is 65089263557. The next prime is 65089263599. The reversal of 65089263593 is 39536298056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59666855824 + 5422407769 = 244268^2 + 73637^2 .

It is a cyclic number.

It is not a de Polignac number, because 65089263593 - 2¹⁸ = 65089001449 is a prime.

It is a super-2 number, since 2×65089263593² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65089263599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32544631796 + 32544631797.

It is an arithmetic number, because the mean of its divisors is an integer number (32544631797).

Almost surely, 2^65089263593 is an apocalyptic number.

It is an amenable number.

65089263593 is a deficient number, since it is larger than the sum of its proper divisors (1).

65089263593 is an equidigital number, since it uses as much as digits as its factorization.

65089263593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10497600, while the sum is 56.

The spelling of 65089263593 in words is "sixty-five billion, eighty-nine million, two hundred sixty-three thousand, five hundred ninety-three".