603445216243 has 4 divisors (see below), whose sum is σ = 603447417568. Its totient is φ = 603443014920.

The previous prime is 603445216223. The next prime is 603445216247. The reversal of 603445216243 is 342612544306.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-603445216243 is a prime.

It is a super-2 number, since 2×603445216243² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 603445216196 and 603445216205.

It is not an unprimeable number, because it can be changed into a prime (603445216247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619296 + ... + 1261117.

It is an arithmetic number, because the mean of its divisors is an integer number (150861854392).

Almost surely, 2^603445216243 is an apocalyptic number.

603445216243 is a deficient number, since it is larger than the sum of its proper divisors (2201325).

603445216243 is a wasteful number, since it uses less digits than its factorization.

603445216243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201324.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 603445216243 in words is "six hundred three billion, four hundred forty-five million, two hundred sixteen thousand, two hundred forty-three".