424520143251451 has 4 divisors (see below), whose sum is σ = 457175538886192. Its totient is φ = 391864747616712.

The previous prime is 424520143251427. The next prime is 424520143251473. The reversal of 424520143251451 is 154152341025424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424520143251451 - 2²⁹ = 424519606380539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424520143251398 and 424520143251407.

It is not an unprimeable number, because it can be changed into a prime (424520143252451) 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, 16327697817351 + ... + 16327697817376.

It is an arithmetic number, because the mean of its divisors is an integer number (114293884721548).

Almost surely, 2^{424520143251451} is an apocalyptic number.

424520143251451 is a deficient number, since it is larger than the sum of its proper divisors (32655395634741).

424520143251451 is a wasteful number, since it uses less digits than its factorization.

424520143251451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32655395634740.

The product of its (nonzero) digits is 768000, while the sum is 43.

Adding to 424520143251451 its reverse (154152341025424), we get a palindrome (578672484276875).

The spelling of 424520143251451 in words is "four hundred twenty-four trillion, five hundred twenty billion, one hundred forty-three million, two hundred fifty-one thousand, four hundred fifty-one".