689446853662 has 16 divisors (see below), whose sum is σ = 1185942717792. Its totient is φ = 294468766560.

The previous prime is 689446853621. The next prime is 689446853699. The reversal of 689446853662 is 266358644986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84033789 + ... + 84041992.

It is an arithmetic number, because the mean of its divisors is an integer number (74121419862).

Almost surely, 2^689446853662 is an apocalyptic number.

689446853662 is a deficient number, since it is larger than the sum of its proper divisors (496495864130).

689446853662 is a wasteful number, since it uses less digits than its factorization.

689446853662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168076083.

The product of its digits is 358318080, while the sum is 67.

The spelling of 689446853662 in words is "six hundred eighty-nine billion, four hundred forty-six million, eight hundred fifty-three thousand, six hundred sixty-two".