26228946469 has 8 divisors (see below), whose sum is σ = 29082468960. Its totient is φ = 23453602800.

The previous prime is 26228946437. The next prime is 26228946509. The reversal of 26228946469 is 96464982262.

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 26228946469 - 2⁵ = 26228946437 is a prime.

It is a super-2 number, since 2×26228946469² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26228946409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19543999 + ... + 19545340.

It is an arithmetic number, because the mean of its divisors is an integer number (3635308620).

Almost surely, 2^26228946469 is an apocalyptic number.

It is an amenable number.

26228946469 is a deficient number, since it is larger than the sum of its proper divisors (2853522491).

26228946469 is a wasteful number, since it uses less digits than its factorization.

26228946469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39089411.

The product of its digits is 17915904, while the sum is 58.

The spelling of 26228946469 in words is "twenty-six billion, two hundred twenty-eight million, nine hundred forty-six thousand, four hundred sixty-nine".