721299086007 has 16 divisors (see below), whose sum is σ = 984151162368. Its totient is φ = 469657742400.

The previous prime is 721299085999. The next prime is 721299086023. The reversal of 721299086007 is 700680992127.

It is not a de Polignac number, because 721299086007 - 2³ = 721299085999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (721299086087) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2413138 + ... + 2695520.

It is an arithmetic number, because the mean of its divisors is an integer number (61509447648).

Almost surely, 2^721299086007 is an apocalyptic number.

721299086007 is a deficient number, since it is larger than the sum of its proper divisors (262852076361).

721299086007 is a wasteful number, since it uses less digits than its factorization.

721299086007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302230.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 721299086007 in words is "seven hundred twenty-one billion, two hundred ninety-nine million, eighty-six thousand, seven".