12425435413 has 4 divisors (see below), whose sum is σ = 12548459628. Its totient is φ = 12302411200.

The previous prime is 12425435411. The next prime is 12425435419. The reversal of 12425435413 is 31453452421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31453452421 = 101 ⋅311420321.

It can be written as a sum of positive squares in 2 ways, for example, as 9174383089 + 3251052324 = 95783^2 + 57018^2 .

It is a cyclic number.

It is not a de Polignac number, because 12425435413 - 2¹ = 12425435411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425435411) 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, 61511956 + ... + 61512157.

It is an arithmetic number, because the mean of its divisors is an integer number (3137114907).

Almost surely, 2^12425435413 is an apocalyptic number.

It is an amenable number.

12425435413 is a deficient number, since it is larger than the sum of its proper divisors (123024215).

12425435413 is a wasteful number, since it uses less digits than its factorization.

12425435413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123024214.

The product of its digits is 57600, while the sum is 34.

Adding to 12425435413 its reverse (31453452421), we get a palindrome (43878887834).

The spelling of 12425435413 in words is "twelve billion, four hundred twenty-five million, four hundred thirty-five thousand, four hundred thirteen".