698828505401 has 64 divisors (see below), whose sum is σ = 819997516800. Its totient is φ = 590760946944.

The previous prime is 698828505307. The next prime is 698828505451. The reversal of 698828505401 is 104505828896.

It is not a de Polignac number, because 698828505401 - 2³⁸ = 423950598457 is a prime.

It is a super-2 number, since 2×698828505401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (698828505451) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 79380866 + ... + 79389668.

It is an arithmetic number, because the mean of its divisors is an integer number (12812461200).

Almost surely, 2^698828505401 is an apocalyptic number.

It is an amenable number.

698828505401 is a deficient number, since it is larger than the sum of its proper divisors (121169011399).

698828505401 is a wasteful number, since it uses less digits than its factorization.

698828505401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030.

The product of its (nonzero) digits is 5529600, while the sum is 56.

The spelling of 698828505401 in words is "six hundred ninety-eight billion, eight hundred twenty-eight million, five hundred five thousand, four hundred one".