1068809803538 has 16 divisors (see below), whose sum is σ = 1752280210944. Its totient is φ = 486744502080.

The previous prime is 1068809803441. The next prime is 1068809803547. The reversal of 1068809803538 is 8353089088601.

1068809803538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1068809803538² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507024470 + ... + 507026577.

It is an arithmetic number, because the mean of its divisors is an integer number (109517513184).

Almost surely, 2^{1068809803538} is an apocalyptic number.

1068809803538 is a deficient number, since it is larger than the sum of its proper divisors (683470407406).

1068809803538 is a wasteful number, since it uses less digits than its factorization.

1068809803538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014051097.

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 1068809803538 in words is "one trillion, sixty-eight billion, eight hundred nine million, eight hundred three thousand, five hundred thirty-eight".