698609566632 has 64 divisors (see below), whose sum is σ = 1881248808960. Its totient is φ = 215559748800.

The previous prime is 698609566607. The next prime is 698609566723. The reversal of 698609566632 is 236665906896.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20395744 + ... + 20429967.

It is an arithmetic number, because the mean of its divisors is an integer number (29394512640).

Almost surely, 2^698609566632 is an apocalyptic number.

698609566632 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

698609566632 is an abundant number, since it is smaller than the sum of its proper divisors (1182639242328).

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

698609566632 is a wasteful number, since it uses less digits than its factorization.

698609566632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40825774 (or 40825770 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 66.

The spelling of 698609566632 in words is "six hundred ninety-eight billion, six hundred nine million, five hundred sixty-six thousand, six hundred thirty-two".