1063070023681 has 4 divisors (see below), whose sum is σ = 1063137284100. Its totient is φ = 1063002763264.

The previous prime is 1063070023649. The next prime is 1063070023703. The reversal of 1063070023681 is 1863200703601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129931411600 + 933138612081 = 360460^2 + 965991^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063070023681 - 2⁵ = 1063070023649 is a prime.

It is a super-2 number, since 2×1063070023681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1063070023681.

It is not an unprimeable number, because it can be changed into a prime (1063070023621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33606496 + ... + 33638113.

It is an arithmetic number, because the mean of its divisors is an integer number (265784321025).

Almost surely, 2^{1063070023681} is an apocalyptic number.

It is an amenable number.

1063070023681 is a deficient number, since it is larger than the sum of its proper divisors (67260419).

1063070023681 is an equidigital number, since it uses as much as digits as its factorization.

1063070023681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67260418.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 1063070023681 in words is "one trillion, sixty-three billion, seventy million, twenty-three thousand, six hundred eighty-one".