698221625472 has 216 divisors, whose sum is σ = 2337903746685. Its totient is φ = 199435170816.

The previous prime is 698221625407. The next prime is 698221625513. The reversal of 698221625472 is 274526122896.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

698221625472 is a `hidden beast` number, since 6 + 9 + 8 + 2 + 2 + 1 + 625 + 4 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 486790871616 + 211430753856 = 697704^2 + 459816^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=590856.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 198525858 + ... + 198529374.

Almost surely, 2^698221625472 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 698221625472

698221625472 is an abundant number, since it is smaller than the sum of its proper divisors (1639682121213).

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

698221625472 is an frugal number, since it uses more digits than its factorization.

698221625472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7068 (or 3529 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 698221625472 in words is "six hundred ninety-eight billion, two hundred twenty-one million, six hundred twenty-five thousand, four hundred seventy-two".