699817664481 has 16 divisors (see below), whose sum is σ = 1023826136256. Its totient is φ = 422531418816.

The previous prime is 699817664453. The next prime is 699817664503. The reversal of 699817664481 is 184466718996.

It is not a de Polignac number, because 699817664481 - 2⁷ = 699817664353 is a prime.

It is a super-2 number, since 2×699817664481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (699817664411) 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 15 ways as a sum of consecutive naturals, for example, 169281355 + ... + 169285488.

It is an arithmetic number, because the mean of its divisors is an integer number (63989133516).

Almost surely, 2^699817664481 is an apocalyptic number.

It is an amenable number.

699817664481 is a deficient number, since it is larger than the sum of its proper divisors (324008471775).

699817664481 is a wasteful number, since it uses less digits than its factorization.

699817664481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338566912.

The product of its digits is 125411328, while the sum is 69.

The spelling of 699817664481 in words is "six hundred ninety-nine billion, eight hundred seventeen million, six hundred sixty-four thousand, four hundred eighty-one".