4243226657188 has 6 divisors (see below), whose sum is σ = 7425646650086. Its totient is φ = 2121613328592.

The previous prime is 4243226657149. The next prime is 4243226657191. The reversal of 4243226657188 is 8817566223424.

It can be written as a sum of positive squares in only one way, i.e., 2481639403684 + 1761587253504 = 1575322^2 + 1327248^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 530403332145 + ... + 530403332152.

Almost surely, 2^{4243226657188} is an apocalyptic number.

It is an amenable number.

4243226657188 is a deficient number, since it is larger than the sum of its proper divisors (3182419992898).

4243226657188 is a wasteful number, since it uses less digits than its factorization.

4243226657188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060806664301 (or 1060806664299 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 58.

The spelling of 4243226657188 in words is "four trillion, two hundred forty-three billion, two hundred twenty-six million, six hundred fifty-seven thousand, one hundred eighty-eight".