420534345552513 has 48 divisors (see below), whose sum is σ = 612201343763520. Its totient is φ = 256434296404608.

The previous prime is 420534345552487. The next prime is 420534345552523. The reversal of 420534345552513 is 315255543435024.

It is not a de Polignac number, because 420534345552513 - 2¹² = 420534345548417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420534345552523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1150663995 + ... + 1151029407.

It is an arithmetic number, because the mean of its divisors is an integer number (12754194661740).

Almost surely, 2^{420534345552513} is an apocalyptic number.

It is an amenable number.

420534345552513 is a deficient number, since it is larger than the sum of its proper divisors (191666998211007).

420534345552513 is a wasteful number, since it uses less digits than its factorization.

420534345552513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402126 (or 402107 counting only the distinct ones).

The product of its (nonzero) digits is 21600000, while the sum is 51.

Adding to 420534345552513 its reverse (315255543435024), we get a palindrome (735789888987537).

The spelling of 420534345552513 in words is "four hundred twenty trillion, five hundred thirty-four billion, three hundred forty-five million, five hundred fifty-two thousand, five hundred thirteen".