434243431045 has 4 divisors (see below), whose sum is σ = 521092117260. Its totient is φ = 347394744832.

The previous prime is 434243431009. The next prime is 434243431051. The reversal of 434243431045 is 540134342434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153765152641 + 280478278404 = 392129^2 + 529602^2 .

It is a cyclic number.

It is not a de Polignac number, because 434243431045 - 2¹³ = 434243422853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434243430995 and 434243431013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43424343100 + ... + 43424343109.

It is an arithmetic number, because the mean of its divisors is an integer number (130273029315).

Almost surely, 2^434243431045 is an apocalyptic number.

It is an amenable number.

434243431045 is a deficient number, since it is larger than the sum of its proper divisors (86848686215).

434243431045 is an equidigital number, since it uses as much as digits as its factorization.

434243431045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86848686214.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 434243431045 its reverse (540134342434), we get a palindrome (974377773479).

The spelling of 434243431045 in words is "four hundred thirty-four billion, two hundred forty-three million, four hundred thirty-one thousand, forty-five".