1069838915808 has 96 divisors (see below), whose sum is σ = 3121912184832. Its totient is φ = 318562444800.

The previous prime is 1069838915801. The next prime is 1069838915809. The reversal of 1069838915808 is 8085198389601.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1069838915808² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069838915801) 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, 13787808 + ... + 13865183.

It is an arithmetic number, because the mean of its divisors is an integer number (32519918592).

Almost surely, 2^{1069838915808} is an apocalyptic number.

It is an amenable number.

1069838915808 is an abundant number, since it is smaller than the sum of its proper divisors (2052073269024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1069838915808 is a wasteful number, since it uses less digits than its factorization.

1069838915808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27653048 (or 27653040 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 66.

The spelling of 1069838915808 in words is "one trillion, sixty-nine billion, eight hundred thirty-eight million, nine hundred fifteen thousand, eight hundred eight".