26545151593 has 2 divisors, whose sum is σ = 26545151594. Its totient is φ = 26545151592.

The previous prime is 26545151543. The next prime is 26545151597. The reversal of 26545151593 is 39515154562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20987896384 + 5557255209 = 144872^2 + 74547^2 .

It is a cyclic number.

It is not a de Polignac number, because 26545151593 - 2³³ = 17955217001 is a prime.

It is not a weakly prime, because it can be changed into another prime (26545151597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13272575796 + 13272575797.

It is an arithmetic number, because the mean of its divisors is an integer number (13272575797).

Almost surely, 2^26545151593 is an apocalyptic number.

It is an amenable number.

26545151593 is a deficient number, since it is larger than the sum of its proper divisors (1).

26545151593 is an equidigital number, since it uses as much as digits as its factorization.

26545151593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810000, while the sum is 46.

The spelling of 26545151593 in words is "twenty-six billion, five hundred forty-five million, one hundred fifty-one thousand, five hundred ninety-three".