420245636233 has 8 divisors (see below), whose sum is σ = 436075396416. Its totient is φ = 404691176400.

The previous prime is 420245636219. The next prime is 420245636287. The reversal of 420245636233 is 332636542024.

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 420245636233 - 2²⁹ = 419708765321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420245636633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68821978 + ... + 68828083.

It is an arithmetic number, because the mean of its divisors is an integer number (54509424552).

Almost surely, 2^420245636233 is an apocalyptic number.

420245636233 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

420245636233 is a deficient number, since it is larger than the sum of its proper divisors (15829760183).

420245636233 is a wasteful number, since it uses less digits than its factorization.

420245636233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137650175.

The product of its (nonzero) digits is 622080, while the sum is 40.

The spelling of 420245636233 in words is "four hundred twenty billion, two hundred forty-five million, six hundred thirty-six thousand, two hundred thirty-three".