463318648472646 has 24 divisors (see below), whose sum is σ = 1003892324305104. Its totient is φ = 154434126011760.

The previous prime is 463318648472569. The next prime is 463318648472653. The reversal of 463318648472646 is 646274846813364.

463318648472646 is a `hidden beast` number, since 4 + 6 + 3 + 3 + 1 + 86 + 484 + 7 + 2 + 64 + 6 = 666.

It is a super-2 number, since 2×463318648472646² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451429770 + ... + 452454941.

It is an arithmetic number, because the mean of its divisors is an integer number (41828846846046).

Almost surely, 2^{463318648472646} is an apocalyptic number.

463318648472646 is an abundant number, since it is smaller than the sum of its proper divisors (540573675832458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

463318648472646 is a wasteful number, since it uses less digits than its factorization.

463318648472646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903913196 (or 903913193 counting only the distinct ones).

The product of its digits is 2675441664, while the sum is 72.

The spelling of 463318648472646 in words is "four hundred sixty-three trillion, three hundred eighteen billion, six hundred forty-eight million, four hundred seventy-two thousand, six hundred forty-six".