26019810747 has 48 divisors (see below), whose sum is σ = 43539159040. Its totient is φ = 14666049216.

The previous prime is 26019810721. The next prime is 26019810763. The reversal of 26019810747 is 74701891062.

It is a happy number.

It is not a de Polignac number, because 26019810747 - 2¹¹ = 26019808699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26019810767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7199913 + ... + 7203525.

Almost surely, 2^26019810747 is an apocalyptic number.

26019810747 is a deficient number, since it is larger than the sum of its proper divisors (17519348293).

26019810747 is a wasteful number, since it uses less digits than its factorization.

26019810747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152 (or 5149 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 26019810747 in words is "twenty-six billion, nineteen million, eight hundred ten thousand, seven hundred forty-seven".