4321645670000 has 100 divisors (see below), whose sum is σ = 10532432305296. Its totient is φ = 1717209600000.

The previous prime is 4321645669987. The next prime is 4321645670039. The reversal of 4321645670000 is 765461234.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 78992 + ... + 2941008.

Almost surely, 2^{4321645670000} is an apocalyptic number.

4321645670000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4321645670000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5266216152648).

4321645670000 is an abundant number, since it is smaller than the sum of its proper divisors (6210786635296).

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

4321645670000 is a wasteful number, since it uses less digits than its factorization.

4321645670000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862196 (or 2862175 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 4321645670000 in words is "four trillion, three hundred twenty-one billion, six hundred forty-five million, six hundred seventy thousand".