12435354445 has 4 divisors (see below), whose sum is σ = 14922425340. Its totient is φ = 9948283552.

The previous prime is 12435354443. The next prime is 12435354461. The reversal of 12435354445 is 54445353421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54445353421 = 1171 ⋅46494751.

It can be written as a sum of positive squares in 2 ways, for example, as 7309224036 + 5126130409 = 85494^2 + 71597^2 .

It is a cyclic number.

It is not a de Polignac number, because 12435354445 - 2¹ = 12435354443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12435354398 and 12435354407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12435354443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243535440 + ... + 1243535449.

It is an arithmetic number, because the mean of its divisors is an integer number (3730606335).

Almost surely, 2^12435354445 is an apocalyptic number.

It is an amenable number.

12435354445 is a deficient number, since it is larger than the sum of its proper divisors (2487070895).

12435354445 is an equidigital number, since it uses as much as digits as its factorization.

12435354445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487070894.

The product of its digits is 576000, while the sum is 40.

The spelling of 12435354445 in words is "twelve billion, four hundred thirty-five million, three hundred fifty-four thousand, four hundred forty-five".