4238102443785 has 64 divisors (see below), whose sum is σ = 7866207412224. Its totient is φ = 1908291052800.

The previous prime is 4238102443781. The next prime is 4238102443837. The reversal of 4238102443785 is 5873442018324.

It is not a de Polignac number, because 4238102443785 - 2² = 4238102443781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4238102443781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76168275 + ... + 76223895.

It is an arithmetic number, because the mean of its divisors is an integer number (122909490816).

Almost surely, 2^{4238102443785} is an apocalyptic number.

It is an amenable number.

4238102443785 is a deficient number, since it is larger than the sum of its proper divisors (3628104968439).

4238102443785 is a wasteful number, since it uses less digits than its factorization.

4238102443785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66534.

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 4238102443785 in words is "four trillion, two hundred thirty-eight billion, one hundred two million, four hundred forty-three thousand, seven hundred eighty-five".