26929957994 has 16 divisors (see below), whose sum is σ = 41114593440. Its totient is φ = 13225482480.

The previous prime is 26929957991. The next prime is 26929958017. The reversal of 26929957994 is 49975992962.

It is not an unprimeable number, because it can be changed into a prime (26929957991) 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, 42737 + ... + 235979.

It is an arithmetic number, because the mean of its divisors is an integer number (2569662090).

Almost surely, 2^26929957994 is an apocalyptic number.

26929957994 is a deficient number, since it is larger than the sum of its proper divisors (14184635446).

26929957994 is a wasteful number, since it uses less digits than its factorization.

26929957994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194485.

The product of its digits is 198404640, while the sum is 71.

The spelling of 26929957994 in words is "twenty-six billion, nine hundred twenty-nine million, nine hundred fifty-seven thousand, nine hundred ninety-four".