418513544243 has 16 divisors (see below), whose sum is σ = 447080499360. Its totient is φ = 390400819200.

The previous prime is 418513544221. The next prime is 418513544257. The reversal of 418513544243 is 342445315814.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418513544243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 418513544194 and 418513544203.

It is not an unprimeable number, because it can be changed into a prime (418513544213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622403 + ... + 1106531.

It is an arithmetic number, because the mean of its divisors is an integer number (27942531210).

Almost surely, 2^418513544243 is an apocalyptic number.

418513544243 is a deficient number, since it is larger than the sum of its proper divisors (28566955117).

418513544243 is a wasteful number, since it uses less digits than its factorization.

418513544243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484598.

The product of its digits is 921600, while the sum is 44.

The spelling of 418513544243 in words is "four hundred eighteen billion, five hundred thirteen million, five hundred forty-four thousand, two hundred forty-three".