420616633313 has 4 divisors (see below), whose sum is σ = 420620206020. Its totient is φ = 420613060608.

The previous prime is 420616633271. The next prime is 420616633369. The reversal of 420616633313 is 313336616024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15042531904 + 405574101409 = 122648^2 + 636847^2 .

It is a cyclic number.

It is not a de Polignac number, because 420616633313 - 2¹⁸ = 420616371169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420616638313) 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 3 ways as a sum of consecutive naturals, for example, 1603520 + ... + 1847297.

It is an arithmetic number, because the mean of its divisors is an integer number (105155051505).

Almost surely, 2^420616633313 is an apocalyptic number.

It is an amenable number.

420616633313 is a deficient number, since it is larger than the sum of its proper divisors (3572707).

420616633313 is a wasteful number, since it uses less digits than its factorization.

420616633313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572706.

The product of its (nonzero) digits is 139968, while the sum is 38.

The spelling of 420616633313 in words is "four hundred twenty billion, six hundred sixteen million, six hundred thirty-three thousand, three hundred thirteen".