1293967675729 has 3 divisors (see below), whose sum is σ = 1293968813257. Its totient is φ = 1293966538202.

The previous prime is 1293967675709. The next prime is 1293967675771. The reversal of 1293967675729 is 9275767693921.

The square root of 1293967675729 is 1137527.

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 is not a de Polignac number, because 1293967675729 - 2²³ = 1293959287121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1293967675709) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 568764 + ... + 1706290.

Almost surely, 2^{1293967675729} is an apocalyptic number.

1293967675729 is the 1137527-th square number.

1293967675729 is the 568764-th centered octagonal number.

It is an amenable number.

1293967675729 is a deficient number, since it is larger than the sum of its proper divisors (1137528).

1293967675729 is an frugal number, since it uses more digits than its factorization.

1293967675729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275054 (or 1137527 counting only the distinct ones).

The product of its digits is 540101520, while the sum is 73.

The spelling of 1293967675729 in words is "one trillion, two hundred ninety-three billion, nine hundred sixty-seven million, six hundred seventy-five thousand, seven hundred twenty-nine".