425434025422415 has 16 divisors (see below), whose sum is σ = 544051800880128. Its totient is φ = 318622929674016.

The previous prime is 425434025422397. The next prime is 425434025422421. The reversal of 425434025422415 is 514224520434524.

It is not a de Polignac number, because 425434025422415 - 2⁴² = 421035978911311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425434025422415.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 39355593617 + ... + 39355604426.

It is an arithmetic number, because the mean of its divisors is an integer number (34003237555008).

Almost surely, 2^{425434025422415} is an apocalyptic number.

425434025422415 is a deficient number, since it is larger than the sum of its proper divisors (118617775457713).

425434025422415 is a wasteful number, since it uses less digits than its factorization.

425434025422415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78711198118.

The product of its (nonzero) digits is 6144000, while the sum is 47.

Adding to 425434025422415 its reverse (514224520434524), we get a palindrome (939658545856939).

The spelling of 425434025422415 in words is "four hundred twenty-five trillion, four hundred thirty-four billion, twenty-five million, four hundred twenty-two thousand, four hundred fifteen".