2193303340890 has 32 divisors (see below), whose sum is σ = 5848808909760. Its totient is φ = 584880890832.

The previous prime is 2193303340861. The next prime is 2193303340897. The reversal of 2193303340890 is 980433033912.

2193303340890 is a `hidden beast` number, since 2 + 193 + 30 + 3 + 340 + 8 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2193303340897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4061672584 + ... + 4061673123.

It is an arithmetic number, because the mean of its divisors is an integer number (182775278430).

Almost surely, 2^{2193303340890} is an apocalyptic number.

2193303340890 is an abundant number, since it is smaller than the sum of its proper divisors (3655505568870).

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

2193303340890 is a wasteful number, since it uses less digits than its factorization.

2193303340890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123345723 (or 8123345717 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 2193303340890 in words is "two trillion, one hundred ninety-three billion, three hundred three million, three hundred forty thousand, eight hundred ninety".