721414670063 has 4 divisors (see below), whose sum is σ = 724076717088. Its totient is φ = 718752623040.

The previous prime is 721414670027. The next prime is 721414670077. The reversal of 721414670063 is 360076414127.

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

It is a cyclic number.

It is not a de Polignac number, because 721414670063 - 2¹⁴ = 721414653679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 721414670063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (721414660063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331023106 + ... + 1331023647.

It is an arithmetic number, because the mean of its divisors is an integer number (181019179272).

Almost surely, 2^721414670063 is an apocalyptic number.

721414670063 is a deficient number, since it is larger than the sum of its proper divisors (2662047025).

721414670063 is a wasteful number, since it uses less digits than its factorization.

721414670063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662047024.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 721414670063 in words is "seven hundred twenty-one billion, four hundred fourteen million, six hundred seventy thousand, sixty-three".