13825069806835 has 64 divisors (see below), whose sum is σ = 19463619225600. Its totient is φ = 9231368850432.

The previous prime is 13825069806833. The next prime is 13825069806923. The reversal of 13825069806835 is 53860896052831.

It is a cyclic number.

It is not a de Polignac number, because 13825069806835 - 2¹ = 13825069806833 is a prime.

It is a super-2 number, since 2×13825069806835² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13825069806833) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1244039239 + ... + 1244050351.

It is an arithmetic number, because the mean of its divisors is an integer number (304119050400).

Almost surely, 2^{13825069806835} is an apocalyptic number.

13825069806835 is a deficient number, since it is larger than the sum of its proper divisors (5638549418765).

13825069806835 is a wasteful number, since it uses less digits than its factorization.

13825069806835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16820.

The product of its (nonzero) digits is 74649600, while the sum is 64.

The spelling of 13825069806835 in words is "thirteen trillion, eight hundred twenty-five billion, sixty-nine million, eight hundred six thousand, eight hundred thirty-five".