425143132013 has 4 divisors (see below), whose sum is σ = 425145506940. Its totient is φ = 425140757088.

The previous prime is 425143131979. The next prime is 425143132021. The reversal of 425143132013 is 310231341524.

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 29971226884 + 395171905129 = 173122^2 + 628627^2 .

It is a cyclic number.

It is not a de Polignac number, because 425143132013 - 2¹⁴ = 425143115629 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 (425143132093) 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, 894920 + ... + 1284977.

It is an arithmetic number, because the mean of its divisors is an integer number (106286376735).

Almost surely, 2^425143132013 is an apocalyptic number.

It is an amenable number.

425143132013 is a deficient number, since it is larger than the sum of its proper divisors (2374927).

425143132013 is a wasteful number, since it uses less digits than its factorization.

425143132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374926.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 425143132013 its reverse (310231341524), we get a palindrome (735374473537).

The spelling of 425143132013 in words is "four hundred twenty-five billion, one hundred forty-three million, one hundred thirty-two thousand, thirteen".