26652931289 has 2 divisors, whose sum is σ = 26652931290. Its totient is φ = 26652931288.

The previous prime is 26652931183. The next prime is 26652931307. The reversal of 26652931289 is 98213925662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21022680064 + 5630251225 = 144992^2 + 75035^2 .

It is a cyclic number.

It is not a de Polignac number, because 26652931289 - 2²⁰ = 26651882713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26652931289.

It is not a weakly prime, because it can be changed into another prime (26652931489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13326465644 + 13326465645.

It is an arithmetic number, because the mean of its divisors is an integer number (13326465645).

Almost surely, 2^26652931289 is an apocalyptic number.

It is an amenable number.

26652931289 is a deficient number, since it is larger than the sum of its proper divisors (1).

26652931289 is an equidigital number, since it uses as much as digits as its factorization.

26652931289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 53.

The spelling of 26652931289 in words is "twenty-six billion, six hundred fifty-two million, nine hundred thirty-one thousand, two hundred eighty-nine".