424342121243425 has 48 divisors (see below), whose sum is σ = 656025011712000. Its totient is φ = 264523702996800.

The previous prime is 424342121243377. The next prime is 424342121243429. The reversal of 424342121243425 is 524342121243424.

It is not a de Polignac number, because 424342121243425 - 2¹³ = 424342121235233 is a prime.

It is a super-2 number, since 2×424342121243425² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (424342121243429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 562337026 + ... + 563091124.

It is an arithmetic number, because the mean of its divisors is an integer number (13667187744000).

Almost surely, 2^{424342121243425} is an apocalyptic number.

It is an amenable number.

424342121243425 is a deficient number, since it is larger than the sum of its proper divisors (231682890468575).

424342121243425 is a wasteful number, since it uses less digits than its factorization.

424342121243425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046446 (or 1046441 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 43.

Adding to 424342121243425 its reverse (524342121243424), we get a palindrome (948684242486849).

Subtracting 424342121243425 from its reverse (524342121243424), we obtain a palindrome (99999999999999).

The spelling of 424342121243425 in words is "four hundred twenty-four trillion, three hundred forty-two billion, one hundred twenty-one million, two hundred forty-three thousand, four hundred twenty-five".