4721646704636 has 12 divisors (see below), whose sum is σ = 8263244570112. Its totient is φ = 2360719684608.

The previous prime is 4721646704591. The next prime is 4721646704683. The reversal of 4721646704636 is 6364076461274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25814405 + ... + 25996668.

It is an arithmetic number, because the mean of its divisors is an integer number (688603714176).

Almost surely, 2^{4721646704636} is an apocalyptic number.

It is an amenable number.

4721646704636 is a deficient number, since it is larger than the sum of its proper divisors (3541597865476).

4721646704636 is a wasteful number, since it uses less digits than its factorization.

4721646704636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51833860 (or 51833858 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 56.

The spelling of 4721646704636 in words is "four trillion, seven hundred twenty-one billion, six hundred forty-six million, seven hundred four thousand, six hundred thirty-six".