26453442699 has 8 divisors (see below), whose sum is σ = 39190285520. Its totient is φ = 17635628448.

The previous prime is 26453442667. The next prime is 26453442787. The reversal of 26453442699 is 99624435462.

26453442699 is a `hidden beast` number, since 2 + 6 + 4 + 534 + 42 + 69 + 9 = 666.

It is not a de Polignac number, because 26453442699 - 2⁵ = 26453442667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26453442649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489878542 + ... + 489878595.

It is an arithmetic number, because the mean of its divisors is an integer number (4898785690).

Almost surely, 2^26453442699 is an apocalyptic number.

26453442699 is a deficient number, since it is larger than the sum of its proper divisors (12736842821).

26453442699 is an equidigital number, since it uses as much as digits as its factorization.

26453442699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979757146 (or 979757140 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 26453442699 in words is "twenty-six billion, four hundred fifty-three million, four hundred forty-two thousand, six hundred ninety-nine".