4243555435431 has 16 divisors (see below), whose sum is σ = 6096727917056. Its totient is φ = 2609954066016.

The previous prime is 4243555435369. The next prime is 4243555435433. The reversal of 4243555435431 is 1345345553424.

It is not a de Polignac number, because 4243555435431 - 2⁹ = 4243555434919 is a prime.

It is a super-2 number, since 2×4243555435431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243555435433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30443395 + ... + 30582468.

It is an arithmetic number, because the mean of its divisors is an integer number (381045494816).

Almost surely, 2^{4243555435431} is an apocalyptic number.

4243555435431 is a deficient number, since it is larger than the sum of its proper divisors (1853172481625).

4243555435431 is a wasteful number, since it uses less digits than its factorization.

4243555435431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61027662.

The product of its digits is 8640000, while the sum is 48.

The spelling of 4243555435431 in words is "four trillion, two hundred forty-three billion, five hundred fifty-five million, four hundred thirty-five thousand, four hundred thirty-one".