2193315549 has 8 divisors (see below), whose sum is σ = 2951250720. Its totient is φ = 1448795376.

The previous prime is 2193315547. The next prime is 2193315629. The reversal of 2193315549 is 9455133912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2193315549 - 2¹ = 2193315547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2193315549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193315547) 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, 3353367 + ... + 3354020.

It is an arithmetic number, because the mean of its divisors is an integer number (368906340).

Almost surely, 2^2193315549 is an apocalyptic number.

It is an amenable number.

2193315549 is a deficient number, since it is larger than the sum of its proper divisors (757935171).

2193315549 is a wasteful number, since it uses less digits than its factorization.

2193315549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707499.

The product of its digits is 145800, while the sum is 42.

The square root of 2193315549 is about 46832.8469025747. The cubic root of 2193315549 is about 1299.2728772041.

The spelling of 2193315549 in words is "two billion, one hundred ninety-three million, three hundred fifteen thousand, five hundred forty-nine".