421425214244351 has 8 divisors (see below), whose sum is σ = 421461826478784. Its totient is φ = 421388603068960.

The previous prime is 421425214244317. The next prime is 421425214244357. The reversal of 421425214244351 is 153442412524124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421425214244351 - 2³⁰ = 421424140502527 is a prime.

It is a super-2 number, since 2×421425214244351² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421425214244357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935665961 + ... + 936116253.

It is an arithmetic number, because the mean of its divisors is an integer number (52682728309848).

Almost surely, 2^{421425214244351} is an apocalyptic number.

421425214244351 is a deficient number, since it is larger than the sum of its proper divisors (36612234433).

421425214244351 is a wasteful number, since it uses less digits than its factorization.

421425214244351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529521.

The product of its digits is 1228800, while the sum is 44.

Adding to 421425214244351 its reverse (153442412524124), we get a palindrome (574867626768475).

The spelling of 421425214244351 in words is "four hundred twenty-one trillion, four hundred twenty-five billion, two hundred fourteen million, two hundred forty-four thousand, three hundred fifty-one".