26494699553 has 8 divisors (see below), whose sum is σ = 30293174208. Its totient is φ = 22699604304.

The previous prime is 26494699531. The next prime is 26494699573. The reversal of 26494699553 is 35599649462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26494699553 - 2¹⁶ = 26494634017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26494699513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828026 + ... + 859427.

It is an arithmetic number, because the mean of its divisors is an integer number (3786646776).

Almost surely, 2^26494699553 is an apocalyptic number.

It is an amenable number.

26494699553 is a deficient number, since it is larger than the sum of its proper divisors (3798474655).

26494699553 is a wasteful number, since it uses less digits than its factorization.

26494699553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689703.

The product of its digits is 62985600, while the sum is 62.

The spelling of 26494699553 in words is "twenty-six billion, four hundred ninety-four million, six hundred ninety-nine thousand, five hundred fifty-three".