26254621653 has 64 divisors (see below), whose sum is σ = 41089773312. Its totient is φ = 14761267200.

The previous prime is 26254621651. The next prime is 26254621681. The reversal of 26254621653 is 35612645262.

It is not a de Polignac number, because 26254621653 - 2¹ = 26254621651 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26254621651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13810003 + ... + 13811903.

It is an arithmetic number, because the mean of its divisors is an integer number (642027708).

Almost surely, 2^26254621653 is an apocalyptic number.

It is an amenable number.

26254621653 is a deficient number, since it is larger than the sum of its proper divisors (14835151659).

26254621653 is a wasteful number, since it uses less digits than its factorization.

26254621653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534.

The product of its digits is 518400, while the sum is 42.

The spelling of 26254621653 in words is "twenty-six billion, two hundred fifty-four million, six hundred twenty-one thousand, six hundred fifty-three".