420598831965 has 64 divisors (see below), whose sum is σ = 729516533760. Its totient is φ = 206920896000.

The previous prime is 420598831949. The next prime is 420598832021. The reversal of 420598831965 is 569138895024.

It is not a de Polignac number, because 420598831965 - 2⁴ = 420598831949 is a prime.

It is a super-2 number, since 2×420598831965² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420598831899 and 420598831908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60073465 + ... + 60080465.

It is an arithmetic number, because the mean of its divisors is an integer number (11398695840).

Almost surely, 2^420598831965 is an apocalyptic number.

It is an amenable number.

420598831965 is a deficient number, since it is larger than the sum of its proper divisors (308917701795).

420598831965 is a wasteful number, since it uses less digits than its factorization.

420598831965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8871 (or 8845 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 420598831965 in words is "four hundred twenty billion, five hundred ninety-eight million, eight hundred thirty-one thousand, nine hundred sixty-five".