420433402141 has 4 divisors (see below), whose sum is σ = 433995769984. Its totient is φ = 406871034300.

The previous prime is 420433402127. The next prime is 420433402159. The reversal of 420433402141 is 141204334024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420433402141 - 2⁹ = 420433401629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420433402111) 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 3 ways as a sum of consecutive naturals, for example, 6781183875 + ... + 6781183936.

It is an arithmetic number, because the mean of its divisors is an integer number (108498942496).

Almost surely, 2^420433402141 is an apocalyptic number.

It is an amenable number.

420433402141 is a deficient number, since it is larger than the sum of its proper divisors (13562367843).

420433402141 is a wasteful number, since it uses less digits than its factorization.

420433402141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13562367842.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 420433402141 its reverse (141204334024), we get a palindrome (561637736165).

The spelling of 420433402141 in words is "four hundred twenty billion, four hundred thirty-three million, four hundred two thousand, one hundred forty-one".