321426265436464 has 20 divisors (see below), whose sum is σ = 622763684093304. Its totient is φ = 160713056638208.

The previous prime is 321426265436453. The next prime is 321426265436509. The reversal of 321426265436464 is 464634562624123.

It is a super-2 number, since 2×321426265436464² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321426265436399 and 321426265436408.

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 3 ways as a sum of consecutive naturals, for example, 47504904 + ... + 53847640.

Almost surely, 2^{321426265436464} is an apocalyptic number.

It is an amenable number.

321426265436464 is a deficient number, since it is larger than the sum of its proper divisors (301337418656840).

321426265436464 is a wasteful number, since it uses less digits than its factorization.

321426265436464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510012 (or 9510006 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 58.

The spelling of 321426265436464 in words is "three hundred twenty-one trillion, four hundred twenty-six billion, two hundred sixty-five million, four hundred thirty-six thousand, four hundred sixty-four".