420341754265 has 16 divisors (see below), whose sum is σ = 534310464528. Its totient is φ = 316356806656.

The previous prime is 420341754253. The next prime is 420341754293. The reversal of 420341754265 is 562457143024.

It can be written as a sum of positive squares in 8 ways, for example, as 43119768409 + 377221985856 = 207653^2 + 614184^2 .

It is a cyclic number.

It is not a de Polignac number, because 420341754265 - 2⁵ = 420341754233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 861532 + ... + 1258141.

It is an arithmetic number, because the mean of its divisors is an integer number (33394404033).

Almost surely, 2^420341754265 is an apocalyptic number.

It is an amenable number.

420341754265 is a deficient number, since it is larger than the sum of its proper divisors (113968710263).

420341754265 is a wasteful number, since it uses less digits than its factorization.

420341754265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122028.

The product of its (nonzero) digits is 806400, while the sum is 43.

Adding to 420341754265 its reverse (562457143024), we get a palindrome (982798897289).

The spelling of 420341754265 in words is "four hundred twenty billion, three hundred forty-one million, seven hundred fifty-four thousand, two hundred sixty-five".