26330439699 has 12 divisors (see below), whose sum is σ = 38275106896. Its totient is φ = 17441818992.

The previous prime is 26330439683. The next prime is 26330439731. The reversal of 26330439699 is 99693403362.

It is a happy number.

It is not a de Polignac number, because 26330439699 - 2⁴ = 26330439683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26330439649) 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 11 ways as a sum of consecutive naturals, for example, 9315799 + ... + 9318624.

Almost surely, 2^26330439699 is an apocalyptic number.

26330439699 is a deficient number, since it is larger than the sum of its proper divisors (11944667197).

26330439699 is a wasteful number, since it uses less digits than its factorization.

26330439699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18634586 (or 18634583 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 54.

The spelling of 26330439699 in words is "twenty-six billion, three hundred thirty million, four hundred thirty-nine thousand, six hundred ninety-nine".