26623500453 has 24 divisors (see below), whose sum is σ = 41986676160. Its totient is φ = 16122188160.

The previous prime is 26623500451. The next prime is 26623500457. The reversal of 26623500453 is 35400532662.

26623500453 is a `hidden beast` number, since 26 + 623 + 5 + 0 + 0 + 4 + 5 + 3 = 666.

It is not a de Polignac number, because 26623500453 - 2¹ = 26623500451 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 (26623500451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11133 + ... + 231021.

It is an arithmetic number, because the mean of its divisors is an integer number (1749444840).

Almost surely, 2^26623500453 is an apocalyptic number.

It is an amenable number.

26623500453 is a deficient number, since it is larger than the sum of its proper divisors (15363175707).

26623500453 is a wasteful number, since it uses less digits than its factorization.

26623500453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221129 (or 221126 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

It can be divided in two parts, 26623 and 500453, that added together give a square (527076 = 726²).

The spelling of 26623500453 in words is "twenty-six billion, six hundred twenty-three million, five hundred thousand, four hundred fifty-three".