689476441997 has 8 divisors (see below), whose sum is σ = 787981801152. Its totient is φ = 590973264000.

The previous prime is 689476441939. The next prime is 689476442009. The reversal of 689476441997 is 799144674986.

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

It is not a de Polignac number, because 689476441997 - 2⁶ = 689476441933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689476441397) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 199997 + ... + 1191197.

It is an arithmetic number, because the mean of its divisors is an integer number (98497725144).

Almost surely, 2^689476441997 is an apocalyptic number.

It is an amenable number.

689476441997 is a deficient number, since it is larger than the sum of its proper divisors (98505359155).

689476441997 is an equidigital number, since it uses as much as digits as its factorization.

689476441997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090579.

The product of its digits is 658409472, while the sum is 74.

The spelling of 689476441997 in words is "six hundred eighty-nine billion, four hundred seventy-six million, four hundred forty-one thousand, nine hundred ninety-seven".