26826992453 has 2 divisors, whose sum is σ = 26826992454. Its totient is φ = 26826992452.

The previous prime is 26826992429. The next prime is 26826992459. The reversal of 26826992453 is 35429962862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13802020324 + 13024972129 = 117482^2 + 114127^2 .

It is a cyclic number.

It is not a de Polignac number, because 26826992453 - 2⁶ = 26826992389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26826992459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13413496226 + 13413496227.

It is an arithmetic number, because the mean of its divisors is an integer number (13413496227).

Almost surely, 2^26826992453 is an apocalyptic number.

It is an amenable number.

26826992453 is a deficient number, since it is larger than the sum of its proper divisors (1).

26826992453 is an equidigital number, since it uses as much as digits as its factorization.

26826992453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 56.

The spelling of 26826992453 in words is "twenty-six billion, eight hundred twenty-six million, nine hundred ninety-two thousand, four hundred fifty-three".