2190589660444 has 6 divisors (see below), whose sum is σ = 3833531905784. Its totient is φ = 1095294830220.

The previous prime is 2190589660433. The next prime is 2190589660447. The reversal of 2190589660444 is 4440669850912.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190589660447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273823707552 + ... + 273823707559.

Almost surely, 2^{2190589660444} is an apocalyptic number.

It is an amenable number.

2190589660444 is a deficient number, since it is larger than the sum of its proper divisors (1642942245340).

2190589660444 is a wasteful number, since it uses less digits than its factorization.

2190589660444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547647415115 (or 547647415113 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 2190589660444 in words is "two trillion, one hundred ninety billion, five hundred eighty-nine million, six hundred sixty thousand, four hundred forty-four".