689062766023 has 4 divisors (see below), whose sum is σ = 690632385520. Its totient is φ = 687493146528.

The previous prime is 689062766009. The next prime is 689062766057. The reversal of 689062766023 is 320667260986.

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 689062766023 - 2¹⁷ = 689062634951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689062766083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784809090 + ... + 784809967.

It is an arithmetic number, because the mean of its divisors is an integer number (172658096380).

Almost surely, 2^689062766023 is an apocalyptic number.

689062766023 is a deficient number, since it is larger than the sum of its proper divisors (1569619497).

689062766023 is a wasteful number, since it uses less digits than its factorization.

689062766023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569619496.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 689062766023 in words is "six hundred eighty-nine billion, sixty-two million, seven hundred sixty-six thousand, twenty-three".