2173646463712 has 12 divisors (see below), whose sum is σ = 4279366475496. Its totient is φ = 1086823231840.

The previous prime is 2173646463689. The next prime is 2173646463731.

2173646463712 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2173646463712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33963225964 + ... + 33963226027.

It is an arithmetic number, because the mean of its divisors is an integer number (356613872958).

Almost surely, 2^{2173646463712} is an apocalyptic number.

It is an amenable number.

2173646463712 is a deficient number, since it is larger than the sum of its proper divisors (2105720011784).

2173646463712 is an equidigital number, since it uses as much as digits as its factorization.

2173646463712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67926452001 (or 67926451993 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 52.

The spelling of 2173646463712 in words is "two trillion, one hundred seventy-three billion, six hundred forty-six million, four hundred sixty-three thousand, seven hundred twelve".