2196021998004 has 24 divisors (see below), whose sum is σ = 5262539203488. Its totient is φ = 712223350560.

The previous prime is 2196021997999. The next prime is 2196021998011. The reversal of 2196021998004 is 4008991206912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2472997302 + ... + 2472998189.

It is an arithmetic number, because the mean of its divisors is an integer number (219272466812).

Almost surely, 2^{2196021998004} is an apocalyptic number.

It is an amenable number.

2196021998004 is an abundant number, since it is smaller than the sum of its proper divisors (3066517205484).

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

2196021998004 is a wasteful number, since it uses less digits than its factorization.

2196021998004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945995535 (or 4945995533 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 2196021998004 in words is "two trillion, one hundred ninety-six billion, twenty-one million, nine hundred ninety-eight thousand, four".