420363435355 has 4 divisors (see below), whose sum is σ = 504436122432. Its totient is φ = 336290748280.

The previous prime is 420363435353. The next prime is 420363435361. The reversal of 420363435355 is 553534363024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 420363435355 - 2¹ = 420363435353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420363435353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42036343531 + ... + 42036343540.

It is an arithmetic number, because the mean of its divisors is an integer number (126109030608).

Almost surely, 2^420363435355 is an apocalyptic number.

420363435355 is a deficient number, since it is larger than the sum of its proper divisors (84072687077).

420363435355 is an equidigital number, since it uses as much as digits as its factorization.

420363435355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84072687076.

The product of its (nonzero) digits is 1944000, while the sum is 43.

Adding to 420363435355 its reverse (553534363024), we get a palindrome (973897798379).

The spelling of 420363435355 in words is "four hundred twenty billion, three hundred sixty-three million, four hundred thirty-five thousand, three hundred fifty-five".