4243406132485 has 8 divisors (see below), whose sum is σ = 5483786386680. Its totient is φ = 3133592220864.

The previous prime is 4243406132453. The next prime is 4243406132489. The reversal of 4243406132485 is 5842316043424.

It can be written as a sum of positive squares in 4 ways, for example, as 327970399969 + 3915435732516 = 572687^2 + 1978746^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4243406132485 - 2⁵ = 4243406132453 is a prime.

It is a super-2 number, since 2×4243406132485² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243406132489) 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, 32641585570 + ... + 32641585699.

It is an arithmetic number, because the mean of its divisors is an integer number (685473298335).

Almost surely, 2^{4243406132485} is an apocalyptic number.

It is an amenable number.

4243406132485 is a deficient number, since it is larger than the sum of its proper divisors (1240380254195).

4243406132485 is a wasteful number, since it uses less digits than its factorization.

4243406132485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65283171287.

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 4243406132485 in words is "four trillion, two hundred forty-three billion, four hundred six million, one hundred thirty-two thousand, four hundred eighty-five".