26729906486 has 4 divisors (see below), whose sum is σ = 40094859732. Its totient is φ = 13364953242.

The previous prime is 26729906471. The next prime is 26729906503. The reversal of 26729906486 is 68460992762.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6682476620 + ... + 6682476623.

It is an arithmetic number, because the mean of its divisors is an integer number (10023714933).

Almost surely, 2^26729906486 is an apocalyptic number.

26729906486 is a deficient number, since it is larger than the sum of its proper divisors (13364953246).

26729906486 is a wasteful number, since it uses less digits than its factorization.

26729906486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13364953245.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 26729906486 in words is "twenty-six billion, seven hundred twenty-nine million, nine hundred six thousand, four hundred eighty-six".