26021438601 has 8 divisors (see below), whose sum is σ = 34701198624. Its totient is φ = 17344652160.

The previous prime is 26021438593. The next prime is 26021438609. The reversal of 26021438601 is 10683412062.

It is an interprime number because it is at equal distance from previous prime (26021438593) and next prime (26021438609).

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

It is not a de Polignac number, because 26021438601 - 2³ = 26021438593 is a prime.

It is a super-2 number, since 2×26021438601² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26021438609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722895 + ... + 758036.

It is an arithmetic number, because the mean of its divisors is an integer number (4337649828).

Almost surely, 2^26021438601 is an apocalyptic number.

It is an amenable number.

26021438601 is a deficient number, since it is larger than the sum of its proper divisors (8679760023).

26021438601 is a wasteful number, since it uses less digits than its factorization.

26021438601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486791.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 26021438601 in words is "twenty-six billion, twenty-one million, four hundred thirty-eight thousand, six hundred one".