431420525535 has 16 divisors (see below), whose sum is σ = 690552023904. Its totient is φ = 229997885952.

The previous prime is 431420525533. The next prime is 431420525539. The reversal of 431420525535 is 535525024134.

It is not a de Polignac number, because 431420525535 - 2¹ = 431420525533 is a prime.

It is a super-2 number, since 2×431420525535² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431420525493 and 431420525502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431420525533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5777982 + ... + 5852171.

It is an arithmetic number, because the mean of its divisors is an integer number (43159501494).

Almost surely, 2^431420525535 is an apocalyptic number.

431420525535 is a deficient number, since it is larger than the sum of its proper divisors (259131498369).

431420525535 is a wasteful number, since it uses less digits than its factorization.

431420525535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11632634.

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 431420525535 its reverse (535525024134), we get a palindrome (966945549669).

The spelling of 431420525535 in words is "four hundred thirty-one billion, four hundred twenty million, five hundred twenty-five thousand, five hundred thirty-five".