26416612139 has 4 divisors (see below), whose sum is σ = 26420999760. Its totient is φ = 26412224520.

The previous prime is 26416612121. The next prime is 26416612141. The reversal of 26416612139 is 93121661462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26416612139 is a prime.

It is a super-3 number, since 3×26416612139³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26416612096 and 26416612105.

It is not an unprimeable number, because it can be changed into a prime (26416612109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2184767 + ... + 2196824.

It is an arithmetic number, because the mean of its divisors is an integer number (6605249940).

Almost surely, 2^26416612139 is an apocalyptic number.

26416612139 is a deficient number, since it is larger than the sum of its proper divisors (4387621).

26416612139 is an equidigital number, since it uses as much as digits as its factorization.

26416612139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387620.

The product of its digits is 93312, while the sum is 41.

The spelling of 26416612139 in words is "twenty-six billion, four hundred sixteen million, six hundred twelve thousand, one hundred thirty-nine".