26693754139 has 8 divisors (see below), whose sum is σ = 28755287792. Its totient is φ = 24633387360.

The previous prime is 26693754121. The next prime is 26693754163. The reversal of 26693754139 is 93145739662.

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 26693754139 - 2²⁵ = 26660199707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26693754139.

It is not an unprimeable number, because it can be changed into a prime (26693754119) 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, 243909 + ... + 335974.

It is an arithmetic number, because the mean of its divisors is an integer number (3594410974).

Almost surely, 2^26693754139 is an apocalyptic number.

26693754139 is a deficient number, since it is larger than the sum of its proper divisors (2061533653).

26693754139 is a wasteful number, since it uses less digits than its factorization.

26693754139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583437.

The product of its digits is 7348320, while the sum is 55.

The spelling of 26693754139 in words is "twenty-six billion, six hundred ninety-three million, seven hundred fifty-four thousand, one hundred thirty-nine".