26149390799 has 16 divisors (see below), whose sum is σ = 31573324800. Its totient is φ = 21180423264.

The previous prime is 26149390793. The next prime is 26149390811. The reversal of 26149390799 is 99709394162.

It is not a de Polignac number, because 26149390799 - 2²⁸ = 25880955343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26149390793) 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, 1360829 + ... + 1379910.

It is an arithmetic number, because the mean of its divisors is an integer number (1973332800).

Almost surely, 2^26149390799 is an apocalyptic number.

26149390799 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

26149390799 is a deficient number, since it is larger than the sum of its proper divisors (5423934001).

26149390799 is a wasteful number, since it uses less digits than its factorization.

26149390799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740822.

The product of its (nonzero) digits is 6613488, while the sum is 59.

The spelling of 26149390799 in words is "twenty-six billion, one hundred forty-nine million, three hundred ninety thousand, seven hundred ninety-nine".