694680098481 has 12 divisors (see below), whose sum is σ = 1003720854708. Its totient is φ = 462984352224.

The previous prime is 694680098479. The next prime is 694680098537. The reversal of 694680098481 is 184890086496.

694680098481 is a `hidden beast` number, since 6 + 9 + 4 + 68 + 0 + 0 + 98 + 481 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 586120392225 + 108559706256 = 765585^2 + 329484^2 .

It is not a de Polignac number, because 694680098481 - 2¹ = 694680098479 is a prime.

It is a super-2 number, since 2×694680098481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (694680098401) 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 11 ways as a sum of consecutive naturals, for example, 11277030 + ... + 11338463.

It is an arithmetic number, because the mean of its divisors is an integer number (83643404559).

Almost surely, 2^694680098481 is an apocalyptic number.

It is an amenable number.

694680098481 is a deficient number, since it is larger than the sum of its proper divisors (309040756227).

694680098481 is a wasteful number, since it uses less digits than its factorization.

694680098481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22618912 (or 22618909 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 694680098481 in words is "six hundred ninety-four billion, six hundred eighty million, ninety-eight thousand, four hundred eighty-one".