26928419553 has 12 divisors (see below), whose sum is σ = 44453264128. Its totient is φ = 15387668280.

The previous prime is 26928419537. The next prime is 26928419591. The reversal of 26928419553 is 35591482962.

26928419553 is a `hidden beast` number, since 2 + 6 + 9 + 2 + 84 + 1 + 9 + 553 = 666.

It is not a de Polignac number, because 26928419553 - 2⁴ = 26928419537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26928419553.

It is not an unprimeable number, because it can be changed into a prime (26928419953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213717553 + ... + 213717678.

Almost surely, 2^26928419553 is an apocalyptic number.

It is an amenable number.

26928419553 is a deficient number, since it is larger than the sum of its proper divisors (17524844575).

26928419553 is a wasteful number, since it uses less digits than its factorization.

26928419553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427435244 (or 427435241 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 26928419553 in words is "twenty-six billion, nine hundred twenty-eight million, four hundred nineteen thousand, five hundred fifty-three".