724000000001 has 2 divisors, whose sum is σ = 724000000002. Its totient is φ = 724000000000.

The previous prime is 723999999991. The next prime is 724000000099. The reversal of 724000000001 is 100000000427.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476044801600 + 247955198401 = 689960^2 + 497951^2 .

It is an emirp because it is prime and its reverse (100000000427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 724000000001 - 2⁶ = 723999999937 is a prime.

It is not a weakly prime, because it can be changed into another prime (724000000601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362000000000 + 362000000001.

It is an arithmetic number, because the mean of its divisors is an integer number (362000000001).

Almost surely, 2^724000000001 is an apocalyptic number.

It is an amenable number.

724000000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

724000000001 is an equidigital number, since it uses as much as digits as its factorization.

724000000001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 14.

Adding to 724000000001 its reverse (100000000427), we get a palindrome (824000000428).

The spelling of 724000000001 in words is "seven hundred twenty-four billion, one", and thus it is an aban number.