421432504135 has 8 divisors (see below), whose sum is σ = 523157591520. Its totient is φ = 325520278944.

The previous prime is 421432504133. The next prime is 421432504139. The reversal of 421432504135 is 531405234124.

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 421432504135 - 2¹ = 421432504133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421432504135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421432504133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453215387 + ... + 1453215676.

It is an arithmetic number, because the mean of its divisors is an integer number (65394698940).

Almost surely, 2^421432504135 is an apocalyptic number.

421432504135 is a deficient number, since it is larger than the sum of its proper divisors (101725087385).

421432504135 is a wasteful number, since it uses less digits than its factorization.

421432504135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906431097.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 421432504135 its reverse (531405234124), we get a palindrome (952837738259).

The spelling of 421432504135 in words is "four hundred twenty-one billion, four hundred thirty-two million, five hundred four thousand, one hundred thirty-five".