26906492494 has 16 divisors (see below), whose sum is σ = 47715948000. Its totient is φ = 11133720864.

The previous prime is 26906492479. The next prime is 26906492513. The reversal of 26906492494 is 49429460962.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33135669 + ... + 33136480.

It is an arithmetic number, because the mean of its divisors is an integer number (2982246750).

Almost surely, 2^26906492494 is an apocalyptic number.

26906492494 is a deficient number, since it is larger than the sum of its proper divisors (20809455506).

26906492494 is a wasteful number, since it uses less digits than its factorization.

26906492494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66272187.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 26906492494 in words is "twenty-six billion, nine hundred six million, four hundred ninety-two thousand, four hundred ninety-four".