420514434013 has 4 divisors (see below), whose sum is σ = 420517867420. Its totient is φ = 420511000608.

The previous prime is 420514433987. The next prime is 420514434023. The reversal of 420514434013 is 310434415024.

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 154230569284 + 266283864729 = 392722^2 + 516027^2 .

It is a cyclic number.

It is not a de Polignac number, because 420514434013 - 2⁵ = 420514433981 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 (420514434023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525920 + ... + 1780297.

It is an arithmetic number, because the mean of its divisors is an integer number (105129466855).

Almost surely, 2^420514434013 is an apocalyptic number.

It is an amenable number.

420514434013 is a deficient number, since it is larger than the sum of its proper divisors (3433407).

420514434013 is a wasteful number, since it uses less digits than its factorization.

420514434013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433406.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 420514434013 its reverse (310434415024), we get a palindrome (730948849037).

The spelling of 420514434013 in words is "four hundred twenty billion, five hundred fourteen million, four hundred thirty-four thousand, thirteen".