698722473969 has 64 divisors (see below), whose sum is σ = 1174528902400. Its totient is φ = 406975435776.

The previous prime is 698722473863. The next prime is 698722473971. The reversal of 698722473969 is 969374227896.

698722473969 is a `hidden beast` number, since 6 + 9 + 8 + 7 + 224 + 7 + 396 + 9 = 666.

It is not a de Polignac number, because 698722473969 - 2⁹ = 698722473457 is a prime.

It is a super-2 number, since 2×698722473969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 698722473897 and 698722473906.

It is not an unprimeable number, because it can be changed into a prime (698722473569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7241289 + ... + 7337145.

It is an arithmetic number, because the mean of its divisors is an integer number (18352014100).

Almost surely, 2^698722473969 is an apocalyptic number.

It is an amenable number.

698722473969 is a deficient number, since it is larger than the sum of its proper divisors (475806428431).

698722473969 is a wasteful number, since it uses less digits than its factorization.

698722473969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96991 (or 96985 counting only the distinct ones).

The product of its digits is 493807104, while the sum is 72.

The spelling of 698722473969 in words is "six hundred ninety-eight billion, seven hundred twenty-two million, four hundred seventy-three thousand, nine hundred sixty-nine".