4243226657187 has 8 divisors (see below), whose sum is σ = 6465869191936. Its totient is φ = 2424700946952.

The previous prime is 4243226657149. The next prime is 4243226657191. The reversal of 4243226657187 is 7817566223424.

It is a happy number.

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

It is not a de Polignac number, because 4243226657187 - 2¹⁵ = 4243226624419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4243226657107) 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, 101029206103 + ... + 101029206144.

It is an arithmetic number, because the mean of its divisors is an integer number (808233648992).

Almost surely, 2^{4243226657187} is an apocalyptic number.

4243226657187 is a deficient number, since it is larger than the sum of its proper divisors (2222642534749).

4243226657187 is a wasteful number, since it uses less digits than its factorization.

4243226657187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202058412257.

The product of its digits is 27095040, while the sum is 57.

The spelling of 4243226657187 in words is "four trillion, two hundred forty-three billion, two hundred twenty-six million, six hundred fifty-seven thousand, one hundred eighty-seven".