26321454893 has 2 divisors, whose sum is σ = 26321454894. Its totient is φ = 26321454892.

The previous prime is 26321454883. The next prime is 26321454941. The reversal of 26321454893 is 39845412362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20551229449 + 5770225444 = 143357^2 + 75962^2 .

It is a cyclic number.

It is not a de Polignac number, because 26321454893 - 2²⁸ = 26053019437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26321454883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13160727446 + 13160727447.

It is an arithmetic number, because the mean of its divisors is an integer number (13160727447).

Almost surely, 2^26321454893 is an apocalyptic number.

It is an amenable number.

26321454893 is a deficient number, since it is larger than the sum of its proper divisors (1).

26321454893 is an equidigital number, since it uses as much as digits as its factorization.

26321454893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 47.

The spelling of 26321454893 in words is "twenty-six billion, three hundred twenty-one million, four hundred fifty-four thousand, eight hundred ninety-three".