26653317061 has 4 divisors (see below), whose sum is σ = 30460933792. Its totient is φ = 22845700332.

The previous prime is 26653317029. The next prime is 26653317073. The reversal of 26653317061 is 16071335662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 26653317061 - 2⁵ = 26653317029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26653317461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903808355 + ... + 1903808368.

It is an arithmetic number, because the mean of its divisors is an integer number (7615233448).

Almost surely, 2^26653317061 is an apocalyptic number.

It is an amenable number.

26653317061 is a deficient number, since it is larger than the sum of its proper divisors (3807616731).

26653317061 is an equidigital number, since it uses as much as digits as its factorization.

26653317061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807616730.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 26653317061 in words is "twenty-six billion, six hundred fifty-three million, three hundred seventeen thousand, sixty-one".