1712642720623 has 8 divisors (see below), whose sum is σ = 1727831538000. Its totient is φ = 1697454476928.

The previous prime is 1712642720611. The next prime is 1712642720627. The reversal of 1712642720623 is 3260272462171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1712642720623 is a prime.

It is a super-3 number, since 3×1712642720623³ (a number of 38 digits) contains 333 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 1712642720623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1712642720627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7790173 + ... + 8007001.

It is an arithmetic number, because the mean of its divisors is an integer number (215978942250).

Almost surely, 2^{1712642720623} is an apocalyptic number.

1712642720623 is a deficient number, since it is larger than the sum of its proper divisors (15188817377).

1712642720623 is a wasteful number, since it uses less digits than its factorization.

1712642720623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286841.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 1712642720623 in words is "one trillion, seven hundred twelve billion, six hundred forty-two million, seven hundred twenty thousand, six hundred twenty-three".