2143604546864 has 40 divisors (see below), whose sum is σ = 4531822392720. Its totient is φ = 974145945600.

The previous prime is 2143604546861. The next prime is 2143604546899. The reversal of 2143604546864 is 4686454063412.

It is not an unprimeable number, because it can be changed into a prime (2143604546861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589649 + ... + 2152880.

It is an arithmetic number, because the mean of its divisors is an integer number (113295559818).

Almost surely, 2^{2143604546864} is an apocalyptic number.

It is an amenable number.

2143604546864 is an abundant number, since it is smaller than the sum of its proper divisors (2388217845856).

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

2143604546864 is a wasteful number, since it uses less digits than its factorization.

2143604546864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746989 (or 2746983 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 53.

The spelling of 2143604546864 in words is "two trillion, one hundred forty-three billion, six hundred four million, five hundred forty-six thousand, eight hundred sixty-four".