26906926481 has 8 divisors (see below), whose sum is σ = 27044297280. Its totient is φ = 26769832848.

The previous prime is 26906926463. The next prime is 26906926483. The reversal of 26906926481 is 18462960962.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26906926481 - 2²² = 26902732177 is a prime.

It is a super-2 number, since 2×26906926481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26906926483) by changing a digit.

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, 126770 + ... + 264356.

It is an arithmetic number, because the mean of its divisors is an integer number (3380537160).

Almost surely, 2^26906926481 is an apocalyptic number.

It is an amenable number.

26906926481 is a deficient number, since it is larger than the sum of its proper divisors (137370799).

26906926481 is a wasteful number, since it uses less digits than its factorization.

26906926481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138583.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 26906926481 in words is "twenty-six billion, nine hundred six million, nine hundred twenty-six thousand, four hundred eighty-one".