26899291005 has 16 divisors (see below), whose sum is σ = 44202079104. Its totient is φ = 13958550720.

The previous prime is 26899290997. The next prime is 26899291009. The reversal of 26899291005 is 50019299862.

It is not a de Polignac number, because 26899291005 - 2³ = 26899290997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26899291009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24233041 + ... + 24234150.

It is an arithmetic number, because the mean of its divisors is an integer number (2762629944).

Almost surely, 2^26899291005 is an apocalyptic number.

It is an amenable number.

26899291005 is a deficient number, since it is larger than the sum of its proper divisors (17302788099).

26899291005 is a wasteful number, since it uses less digits than its factorization.

26899291005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48467236.

The product of its (nonzero) digits is 699840, while the sum is 51.

The spelling of 26899291005 in words is "twenty-six billion, eight hundred ninety-nine million, two hundred ninety-one thousand, five".