690361489216 has 140 divisors (see below), whose sum is σ = 1599951904992. Its totient is φ = 295538283264.

The previous prime is 690361489177. The next prime is 690361489231. The reversal of 690361489216 is 612984163096.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 178709301 + ... + 178713163.

Almost surely, 2^690361489216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690361489216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799975952496).

690361489216 is an abundant number, since it is smaller than the sum of its proper divisors (909590415776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690361489216 is an equidigital number, since it uses as much as digits as its factorization.

690361489216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066 (or 5035 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 690361489216 in words is "six hundred ninety billion, three hundred sixty-one million, four hundred eighty-nine thousand, two hundred sixteen".