4668521437684 has 24 divisors (see below), whose sum is σ = 8799171389288. Its totient is φ = 2154505288320.

The previous prime is 4668521437673. The next prime is 4668521437729. The reversal of 4668521437684 is 4867341258664.

It can be written as a sum of positive squares in 4 ways, for example, as 1190669427684 + 3477852010000 = 1091178^2 + 1864900^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3527127 + ... + 4666654.

Almost surely, 2^{4668521437684} is an apocalyptic number.

It is an amenable number.

4668521437684 is a deficient number, since it is larger than the sum of its proper divisors (4130649951604).

4668521437684 is a wasteful number, since it uses less digits than its factorization.

4668521437684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204755 (or 8204753 counting only the distinct ones).

The product of its digits is 185794560, while the sum is 64.

The spelling of 4668521437684 in words is "four trillion, six hundred sixty-eight billion, five hundred twenty-one million, four hundred thirty-seven thousand, six hundred eighty-four".