1653344313 has 8 divisors (see below), whose sum is σ = 2231019168. Its totient is φ = 1088949504.

The previous prime is 1653344309. The next prime is 1653344321. The reversal of 1653344313 is 3134433561.

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

It is not a de Polignac number, because 1653344313 - 2² = 1653344309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1653344383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3319720 + ... + 3320217.

It is an arithmetic number, because the mean of its divisors is an integer number (278877396).

Almost surely, 2^1653344313 is an apocalyptic number.

It is an amenable number.

1653344313 is a deficient number, since it is larger than the sum of its proper divisors (577674855).

1653344313 is an equidigital number, since it uses as much as digits as its factorization.

1653344313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640023.

The product of its digits is 38880, while the sum is 33.

The square root of 1653344313 is about 40661.3368324260. The cubic root of 1653344313 is about 1182.4635672720.

Adding to 1653344313 its reverse (3134433561), we get a palindrome (4787777874).

The spelling of 1653344313 in words is "one billion, six hundred fifty-three million, three hundred forty-four thousand, three hundred thirteen".