698432405812 has 12 divisors (see below), whose sum is σ = 1226904075936. Its totient is φ = 347888384120.

The previous prime is 698432405809. The next prime is 698432405861. The reversal of 698432405812 is 218504234896.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 698432405812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331953514 + ... + 331955617.

It is an arithmetic number, because the mean of its divisors is an integer number (102242006328).

Almost surely, 2^698432405812 is an apocalyptic number.

It is an amenable number.

698432405812 is a deficient number, since it is larger than the sum of its proper divisors (528471670124).

698432405812 is a wasteful number, since it uses less digits than its factorization.

698432405812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663909398 (or 663909396 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 698432405812 in words is "six hundred ninety-eight billion, four hundred thirty-two million, four hundred five thousand, eight hundred twelve".