420653333253 has 32 divisors (see below), whose sum is σ = 588478832640. Its totient is φ = 266941097280.

The previous prime is 420653333209. The next prime is 420653333273. The reversal of 420653333253 is 352333356024.

It is not a de Polignac number, because 420653333253 - 2²⁰ = 420652284677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420653333203) 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 31 ways as a sum of consecutive naturals, for example, 4168528 + ... + 4268246.

It is an arithmetic number, because the mean of its divisors is an integer number (18389963520).

Almost surely, 2^420653333253 is an apocalyptic number.

It is an amenable number.

420653333253 is a deficient number, since it is larger than the sum of its proper divisors (167825499387).

420653333253 is a wasteful number, since it uses less digits than its factorization.

420653333253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100497.

The product of its (nonzero) digits is 583200, while the sum is 39.

Adding to 420653333253 its reverse (352333356024), we get a palindrome (772986689277).

The spelling of 420653333253 in words is "four hundred twenty billion, six hundred fifty-three million, three hundred thirty-three thousand, two hundred fifty-three".