321064495002 has 24 divisors (see below), whose sum is σ = 695660714580. Its totient is φ = 107018271360.

The previous prime is 321064494973. The next prime is 321064495027. The reversal of 321064495002 is 200594460123.

It is a happy number.

321064495002 is a `hidden beast` number, since 3 + 2 + 1 + 0 + 644 + 9 + 5 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 321057091161 + 7403841 = 566619^2 + 2721^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 388002 + ... + 890322.

Almost surely, 2^321064495002 is an apocalyptic number.

321064495002 is an abundant number, since it is smaller than the sum of its proper divisors (374596219578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321064495002 is a wasteful number, since it uses less digits than its factorization.

321064495002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537838 (or 537835 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 321064495002 in words is "three hundred twenty-one billion, sixty-four million, four hundred ninety-five thousand, two".