26330700457 has 4 divisors (see below), whose sum is σ = 26827506180. Its totient is φ = 25833894736.

The previous prime is 26330700433. The next prime is 26330700467. The reversal of 26330700457 is 75400703362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18091326016 + 8239374441 = 134504^2 + 90771^2 .

It is a cyclic number.

It is not a de Polignac number, because 26330700457 - 2³¹ = 24183216809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26330700467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248402782 + ... + 248402887.

It is an arithmetic number, because the mean of its divisors is an integer number (6706876545).

Almost surely, 2^26330700457 is an apocalyptic number.

It is an amenable number.

26330700457 is a deficient number, since it is larger than the sum of its proper divisors (496805723).

26330700457 is an equidigital number, since it uses as much as digits as its factorization.

26330700457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496805722.

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 26330700457 in words is "twenty-six billion, three hundred thirty million, seven hundred thousand, four hundred fifty-seven".