653445154524243 has 8 divisors (see below), whose sum is σ = 871414329565648. Its totient is φ = 435553041249504.

The previous prime is 653445154524241. The next prime is 653445154524293. The reversal of 653445154524243 is 342425451544356.

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

It is not a de Polignac number, because 653445154524243 - 2¹ = 653445154524241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653445154524241) 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, 19265421880 + ... + 19265455797.

It is an arithmetic number, because the mean of its divisors is an integer number (108926791195706).

Almost surely, 2^{653445154524243} is an apocalyptic number.

653445154524243 is a deficient number, since it is larger than the sum of its proper divisors (217969175041405).

653445154524243 is a wasteful number, since it uses less digits than its factorization.

653445154524243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38530883333.

The product of its digits is 138240000, while the sum is 57.

The spelling of 653445154524243 in words is "six hundred fifty-three trillion, four hundred forty-five billion, one hundred fifty-four million, five hundred twenty-four thousand, two hundred forty-three".