684629926486 has 24 divisors (see below), whose sum is σ = 1133719972560. Its totient is φ = 309836464080.

The previous prime is 684629926483. The next prime is 684629926501.

684629926486 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684629926483) 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 11 ways as a sum of consecutive naturals, for example, 6121546 + ... + 6232381.

It is an arithmetic number, because the mean of its divisors is an integer number (47238332190).

Almost surely, 2^684629926486 is an apocalyptic number.

684629926486 is a deficient number, since it is larger than the sum of its proper divisors (449090046074).

684629926486 is a wasteful number, since it uses less digits than its factorization.

684629926486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12354180 (or 12354169 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 70.

The spelling of 684629926486 in words is "six hundred eighty-four billion, six hundred twenty-nine million, nine hundred twenty-six thousand, four hundred eighty-six".