26430098533 has 2 divisors, whose sum is σ = 26430098534. Its totient is φ = 26430098532.

The previous prime is 26430098437. The next prime is 26430098587. The reversal of 26430098533 is 33589003462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25785294084 + 644804449 = 160578^2 + 25393^2 .

It is a cyclic number.

It is not a de Polignac number, because 26430098533 - 2²⁵ = 26396544101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26430098533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26430008533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13215049266 + 13215049267.

It is an arithmetic number, because the mean of its divisors is an integer number (13215049267).

Almost surely, 2^26430098533 is an apocalyptic number.

It is an amenable number.

26430098533 is a deficient number, since it is larger than the sum of its proper divisors (1).

26430098533 is an equidigital number, since it uses as much as digits as its factorization.

26430098533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 26430098533 in words is "twenty-six billion, four hundred thirty million, ninety-eight thousand, five hundred thirty-three".