724000086349 has 4 divisors (see below), whose sum is σ = 724010077564. Its totient is φ = 723990095136.

The previous prime is 724000086269. The next prime is 724000086353. The reversal of 724000086349 is 943680000427.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71346149449 + 652653936900 = 267107^2 + 807870^2 .

It is a cyclic number.

It is not a de Polignac number, because 724000086349 - 2²⁵ = 723966531917 is a prime.

It is a super-2 number, since 2×724000086349² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724000089349) 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, 4886112 + ... + 5032105.

It is an arithmetic number, because the mean of its divisors is an integer number (181002519391).

Almost surely, 2^724000086349 is an apocalyptic number.

It is an amenable number.

724000086349 is a deficient number, since it is larger than the sum of its proper divisors (9991215).

724000086349 is an equidigital number, since it uses as much as digits as its factorization.

724000086349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9991214.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 724000086349 in words is "seven hundred twenty-four billion, eighty-six thousand, three hundred forty-nine".