425386538481 has 8 divisors (see below), whose sum is σ = 571648052224. Its totient is φ = 281358025200.

The previous prime is 425386538441. The next prime is 425386538491. The reversal of 425386538481 is 184835683524.

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

It is not a de Polignac number, because 425386538481 - 2⁶ = 425386538417 is a prime.

It is a super-2 number, since 2×425386538481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425386538441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558249670 + ... + 558250431.

It is an arithmetic number, because the mean of its divisors is an integer number (71456006528).

Almost surely, 2^425386538481 is an apocalyptic number.

It is an amenable number.

425386538481 is a deficient number, since it is larger than the sum of its proper divisors (146261513743).

425386538481 is a wasteful number, since it uses less digits than its factorization.

425386538481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116500231.

The product of its digits is 22118400, while the sum is 57.

The spelling of 425386538481 in words is "four hundred twenty-five billion, three hundred eighty-six million, five hundred thirty-eight thousand, four hundred eighty-one".