2043432133425 has 18 divisors (see below), whose sum is σ = 3660013999382. Its totient is φ = 1089830471040.

The previous prime is 2043432133409. The next prime is 2043432133429. The reversal of 2043432133425 is 5243312343402.

2043432133425 is a `hidden beast` number, since 2 + 0 + 434 + 3 + 213 + 3 + 4 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 658225538721 + 1385206594704 = 811311^2 + 1176948^2 .

It is not a de Polignac number, because 2043432133425 - 2⁴ = 2043432133409 is a prime.

It is a super-2 number, since 2×2043432133425² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043432133425.

It is not an unprimeable number, because it can be changed into a prime (2043432133429) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4540960072 + ... + 4540960521.

Almost surely, 2^{2043432133425} is an apocalyptic number.

2043432133425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2043432133425 is a deficient number, since it is larger than the sum of its proper divisors (1616581865957).

2043432133425 is a wasteful number, since it uses less digits than its factorization.

2043432133425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081920609 (or 9081920601 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 2043432133425 its reverse (5243312343402), we get a palindrome (7286744476827).

The spelling of 2043432133425 in words is "two trillion, forty-three billion, four hundred thirty-two million, one hundred thirty-three thousand, four hundred twenty-five".