1068395783381 has 32 divisors (see below), whose sum is σ = 1152825273600. Its totient is φ = 988297873920.

The previous prime is 1068395783369. The next prime is 1068395783417. The reversal of 1068395783381 is 1833875938601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1068395783381 is a prime.

It is a super-2 number, since 2×1068395783381² (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 (1068395780381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28617755 + ... + 28655063.

It is an arithmetic number, because the mean of its divisors is an integer number (36025789800).

Almost surely, 2^{1068395783381} is an apocalyptic number.

It is an amenable number.

1068395783381 is a deficient number, since it is larger than the sum of its proper divisors (84429490219).

1068395783381 is a wasteful number, since it uses less digits than its factorization.

1068395783381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37869.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 1068395783381 in words is "one trillion, sixty-eight billion, three hundred ninety-five million, seven hundred eighty-three thousand, three hundred eighty-one".