689297099122 has 8 divisors (see below), whose sum is σ = 1055944492416. Its totient is φ = 337315601652.

The previous prime is 689297099063. The next prime is 689297099149. The reversal of 689297099122 is 221990792986.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3666473838 + ... + 3666474025.

It is an arithmetic number, because the mean of its divisors is an integer number (131993061552).

Almost surely, 2^689297099122 is an apocalyptic number.

689297099122 is a deficient number, since it is larger than the sum of its proper divisors (366647393294).

689297099122 is a wasteful number, since it uses less digits than its factorization.

689297099122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7332947912.

The product of its (nonzero) digits is 17635968, while the sum is 64.

The spelling of 689297099122 in words is "six hundred eighty-nine billion, two hundred ninety-seven million, ninety-nine thousand, one hundred twenty-two".