3646631362408 has 8 divisors (see below), whose sum is σ = 6837433804530. Its totient is φ = 1823315681200.

The previous prime is 3646631362373. The next prime is 3646631362453. The reversal of 3646631362408 is 8042631366463.

It can be written as a sum of positive squares in only one way, i.e., 1933050876964 + 1713580485444 = 1390342^2 + 1309038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227914460143 + ... + 227914460158.

Almost surely, 2^{3646631362408} is an apocalyptic number.

It is an amenable number.

3646631362408 is a deficient number, since it is larger than the sum of its proper divisors (3190802442122).

3646631362408 is a wasteful number, since it uses less digits than its factorization.

3646631362408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455828920307 (or 455828920303 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 52.

The spelling of 3646631362408 in words is "three trillion, six hundred forty-six billion, six hundred thirty-one million, three hundred sixty-two thousand, four hundred eight".