26653545245 has 16 divisors (see below), whose sum is σ = 32352688128. Its totient is φ = 21078429120.

The previous prime is 26653545241. The next prime is 26653545253. The reversal of 26653545245 is 54254535662.

It is not a de Polignac number, because 26653545245 - 2² = 26653545241 is a prime.

It is a super-2 number, since 2×26653545245² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26653545245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26653545241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100130 + ... + 251660.

It is an arithmetic number, because the mean of its divisors is an integer number (2022043008).

Almost surely, 2^26653545245 is an apocalyptic number.

It is an amenable number.

26653545245 is a deficient number, since it is larger than the sum of its proper divisors (5699142883).

26653545245 is a wasteful number, since it uses less digits than its factorization.

26653545245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151940.

The product of its digits is 4320000, while the sum is 47.

The spelling of 26653545245 in words is "twenty-six billion, six hundred fifty-three million, five hundred forty-five thousand, two hundred forty-five".