26214421646 has 16 divisors (see below), whose sum is σ = 46488630240. Its totient is φ = 10847346720.

The previous prime is 26214421633. The next prime is 26214421669. The reversal of 26214421646 is 64612441262.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32283365 + ... + 32284176.

It is an arithmetic number, because the mean of its divisors is an integer number (2905539390).

Almost surely, 2^26214421646 is an apocalyptic number.

26214421646 is a deficient number, since it is larger than the sum of its proper divisors (20274208594).

26214421646 is a wasteful number, since it uses less digits than its factorization.

26214421646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64567579.

The product of its digits is 110592, while the sum is 38.

The spelling of 26214421646 in words is "twenty-six billion, two hundred fourteen million, four hundred twenty-one thousand, six hundred forty-six".