26315063749 has 16 divisors (see below), whose sum is σ = 28645186752. Its totient is φ = 24028881408.

The previous prime is 26315063717. The next prime is 26315063777. The reversal of 26315063749 is 94736051362.

It is a cyclic number.

It is not a de Polignac number, because 26315063749 - 2⁵ = 26315063717 is a prime.

It is a super-2 number, since 2×26315063749² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26315063699 and 26315063708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26315063779) 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, 3732822 + ... + 3739864.

It is an arithmetic number, because the mean of its divisors is an integer number (1790324172).

Almost surely, 2^26315063749 is an apocalyptic number.

It is an amenable number.

26315063749 is a deficient number, since it is larger than the sum of its proper divisors (2330123003).

26315063749 is a wasteful number, since it uses less digits than its factorization.

26315063749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10116.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 26315063749 in words is "twenty-six billion, three hundred fifteen million, sixty-three thousand, seven hundred forty-nine".