26830474921 has 8 divisors (see below), whose sum is σ = 29153657600. Its totient is φ = 24598397520.

The previous prime is 26830474889. The next prime is 26830474933. The reversal of 26830474921 is 12947403862.

It is a happy number.

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 26830474921 - 2⁵ = 26830474889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26830474421) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 22775706 + ... + 22776883.

It is an arithmetic number, because the mean of its divisors is an integer number (3644207200).

Almost surely, 2^26830474921 is an apocalyptic number.

It is an amenable number.

26830474921 is a deficient number, since it is larger than the sum of its proper divisors (2323182679).

26830474921 is a wasteful number, since it uses less digits than its factorization.

26830474921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45552639.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 26830474921 in words is "twenty-six billion, eight hundred thirty million, four hundred seventy-four thousand, nine hundred twenty-one".