689752516403 has 4 divisors (see below), whose sum is σ = 701443237080. Its totient is φ = 678061795728.

The previous prime is 689752516381. The next prime is 689752516417. The reversal of 689752516403 is 304615257986.

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

It is a cyclic number.

It is not a de Polignac number, because 689752516403 - 2⁶ = 689752516339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689752516303) 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, 5845360250 + ... + 5845360367.

It is an arithmetic number, because the mean of its divisors is an integer number (175360809270).

It is a 1-persistent number, because it is pandigital, but 2⋅689752516403 = 1379505032806 is not.

Almost surely, 2^689752516403 is an apocalyptic number.

689752516403 is a deficient number, since it is larger than the sum of its proper divisors (11690720677).

689752516403 is a wasteful number, since it uses less digits than its factorization.

689752516403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11690720676.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 689752516403 in words is "six hundred eighty-nine billion, seven hundred fifty-two million, five hundred sixteen thousand, four hundred three".