1146563383729 has 3 divisors (see below), whose sum is σ = 1146564454507. Its totient is φ = 1146562312952.

The previous prime is 1146563383727. The next prime is 1146563383741. The reversal of 1146563383729 is 9273833656411.

The square root of 1146563383729 is 1070777.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1053445640625 + 93117743104 = 1026375^2 + 305152^2 .

It is not a de Polignac number, because 1146563383729 - 2¹ = 1146563383727 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146563383727) 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 2 ways as a sum of consecutive naturals, for example, 535389 + ... + 1606165.

Almost surely, 2^{1146563383729} is an apocalyptic number.

1146563383729 is the 1070777-th square number.

1146563383729 is the 535389-th centered octagonal number.

It is an amenable number.

1146563383729 is a deficient number, since it is larger than the sum of its proper divisors (1070778).

1146563383729 is an frugal number, since it uses more digits than its factorization.

1146563383729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141554 (or 1070777 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 58.

The spelling of 1146563383729 in words is "one trillion, one hundred forty-six billion, five hundred sixty-three million, three hundred eighty-three thousand, seven hundred twenty-nine".