26939412539 has 16 divisors (see below), whose sum is σ = 29216148192. Its totient is φ = 24692387328.

The previous prime is 26939412529. The next prime is 26939412583. The reversal of 26939412539 is 93521493962.

It is a cyclic number.

It is not a de Polignac number, because 26939412539 - 2¹² = 26939408443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26939412529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329347 + ... + 1349459.

It is an arithmetic number, because the mean of its divisors is an integer number (1826009262).

Almost surely, 2^26939412539 is an apocalyptic number.

26939412539 is a deficient number, since it is larger than the sum of its proper divisors (2276735653).

26939412539 is a wasteful number, since it uses less digits than its factorization.

26939412539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20846.

The product of its digits is 3149280, while the sum is 53.

The spelling of 26939412539 in words is "twenty-six billion, nine hundred thirty-nine million, four hundred twelve thousand, five hundred thirty-nine".