3629971728646 has 8 divisors (see below), whose sum is σ = 5465049688224. Its totient is φ = 1808288499240.

The previous prime is 3629971728623. The next prime is 3629971728707. The reversal of 3629971728646 is 6468271799263.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3348681865 + ... + 3348682948.

It is an arithmetic number, because the mean of its divisors is an integer number (683131211028).

Almost surely, 2^{3629971728646} is an apocalyptic number.

3629971728646 is a deficient number, since it is larger than the sum of its proper divisors (1835077959578).

3629971728646 is a wasteful number, since it uses less digits than its factorization.

3629971728646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697365086.

The product of its digits is 329204736, while the sum is 70.

The spelling of 3629971728646 in words is "three trillion, six hundred twenty-nine billion, nine hundred seventy-one million, seven hundred twenty-eight thousand, six hundred forty-six".