26604153454 has 4 divisors (see below), whose sum is σ = 39906230184. Its totient is φ = 13302076726.

The previous prime is 26604153379. The next prime is 26604153503. The reversal of 26604153454 is 45435140662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45435140662 = 2 ⋅22717570331.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651038362 + ... + 6651038365.

It is an arithmetic number, because the mean of its divisors is an integer number (9976557546).

Almost surely, 2^26604153454 is an apocalyptic number.

26604153454 is a deficient number, since it is larger than the sum of its proper divisors (13302076730).

26604153454 is a wasteful number, since it uses less digits than its factorization.

26604153454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13302076729.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 26604153454 in words is "twenty-six billion, six hundred four million, one hundred fifty-three thousand, four hundred fifty-four".