26485969655 has 8 divisors (see below), whose sum is σ = 33652761552. Its totient is φ = 19942377088.

The previous prime is 26485969637. The next prime is 26485969661. The reversal of 26485969655 is 55696958462.

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 26485969655 - 2²⁶ = 26418860791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26485969591 and 26485969600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155799737 + ... + 155799906.

It is an arithmetic number, because the mean of its divisors is an integer number (4206595194).

Almost surely, 2^26485969655 is an apocalyptic number.

26485969655 is a deficient number, since it is larger than the sum of its proper divisors (7166791897).

26485969655 is a wasteful number, since it uses less digits than its factorization.

26485969655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311599665.

The product of its digits is 139968000, while the sum is 65.

The spelling of 26485969655 in words is "twenty-six billion, four hundred eighty-five million, nine hundred sixty-nine thousand, six hundred fifty-five".