26609328239 has 8 divisors (see below), whose sum is σ = 28765162272. Its totient is φ = 24469060320.

The previous prime is 26609328197. The next prime is 26609328269. The reversal of 26609328239 is 93282390662.

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 26609328239 - 2¹² = 26609324143 is a prime.

It is a super-2 number, since 2×26609328239² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26609328269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3887972 + ... + 3894809.

It is an arithmetic number, because the mean of its divisors is an integer number (3595645284).

Almost surely, 2^26609328239 is an apocalyptic number.

26609328239 is a deficient number, since it is larger than the sum of its proper divisors (2155834033).

26609328239 is a wasteful number, since it uses less digits than its factorization.

26609328239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783057.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 26609328239 in words is "twenty-six billion, six hundred nine million, three hundred twenty-eight thousand, two hundred thirty-nine".