420513105432253 has 8 divisors (see below), whose sum is σ = 439236989942400. Its totient is φ = 402070783095408.

The previous prime is 420513105432209. The next prime is 420513105432257. The reversal of 420513105432253 is 352234501315024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420513105432253 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 (420513105432257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70390540273 + ... + 70390546246.

It is an arithmetic number, because the mean of its divisors is an integer number (54904623742800).

Almost surely, 2^{420513105432253} is an apocalyptic number.

It is an amenable number.

420513105432253 is a deficient number, since it is larger than the sum of its proper divisors (18723884510147).

420513105432253 is a wasteful number, since it uses less digits than its factorization.

420513105432253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140781086651.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 420513105432253 its reverse (352234501315024), we get a palindrome (772747606747277).

The spelling of 420513105432253 in words is "four hundred twenty trillion, five hundred thirteen billion, one hundred five million, four hundred thirty-two thousand, two hundred fifty-three".