26117486649 has 12 divisors (see below), whose sum is σ = 37756120896. Its totient is φ = 17397413592.

The previous prime is 26117486641. The next prime is 26117486653. The reversal of 26117486649 is 94668471162.

26117486649 is a `hidden beast` number, since 2 + 6 + 117 + 486 + 6 + 49 = 666.

It is not a de Polignac number, because 26117486649 - 2³ = 26117486641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26117486595 and 26117486604.

It is not an unprimeable number, because it can be changed into a prime (26117486641) 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, 1175397 + ... + 1197410.

It is an arithmetic number, because the mean of its divisors is an integer number (3146343408).

Almost surely, 2^26117486649 is an apocalyptic number.

It is an amenable number.

26117486649 is a deficient number, since it is larger than the sum of its proper divisors (11638634247).

26117486649 is a wasteful number, since it uses less digits than its factorization.

26117486649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374036 (or 2374033 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 26117486649 in words is "twenty-six billion, one hundred seventeen million, four hundred eighty-six thousand, six hundred forty-nine".