26013496869 has 16 divisors (see below), whose sum is σ = 40214102400. Its totient is φ = 16588316448.

The previous prime is 26013496811. The next prime is 26013496907. The reversal of 26013496869 is 96869431062.

26013496869 is a `hidden beast` number, since 2 + 60 + 13 + 496 + 86 + 9 = 666.

It is not a de Polignac number, because 26013496869 - 2¹⁵ = 26013464101 is a prime.

It is a super-2 number, since 2×26013496869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26013496469) 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, 20944224 + ... + 20945465.

It is an arithmetic number, because the mean of its divisors is an integer number (2513381400).

Almost surely, 2^26013496869 is an apocalyptic number.

It is an amenable number.

26013496869 is a deficient number, since it is larger than the sum of its proper divisors (14200605531).

26013496869 is a wasteful number, since it uses less digits than its factorization.

26013496869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41889721 (or 41889715 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 26013496869 in words is "twenty-six billion, thirteen million, four hundred ninety-six thousand, eight hundred sixty-nine".