421068335339 has 4 divisors (see below), whose sum is σ = 422745898680. Its totient is φ = 419390772000.

The previous prime is 421068335333. The next prime is 421068335383. The reversal of 421068335339 is 933533860124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421068335339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421068335293 and 421068335302.

It is not an unprimeable number, because it can be changed into a prime (421068335333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838781294 + ... + 838781795.

It is an arithmetic number, because the mean of its divisors is an integer number (105686474670).

Almost surely, 2^421068335339 is an apocalyptic number.

421068335339 is a deficient number, since it is larger than the sum of its proper divisors (1677563341).

421068335339 is a wasteful number, since it uses less digits than its factorization.

421068335339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677563340.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 421068335339 in words is "four hundred twenty-one billion, sixty-eight million, three hundred thirty-five thousand, three hundred thirty-nine".