689062993246 has 4 divisors (see below), whose sum is σ = 1033594489872. Its totient is φ = 344531496622.

The previous prime is 689062993211. The next prime is 689062993253. The reversal of 689062993246 is 642399260986.

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

It is a super-2 number, since 2×689062993246² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172265748310 + ... + 172265748313.

It is an arithmetic number, because the mean of its divisors is an integer number (258398622468).

Almost surely, 2^689062993246 is an apocalyptic number.

689062993246 is a deficient number, since it is larger than the sum of its proper divisors (344531496626).

689062993246 is a wasteful number, since it uses less digits than its factorization.

689062993246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344531496625.

The product of its (nonzero) digits is 60466176, while the sum is 64.

The spelling of 689062993246 in words is "six hundred eighty-nine billion, sixty-two million, nine hundred ninety-three thousand, two hundred forty-six".