724063413262261 has 4 divisors (see below), whose sum is σ = 737724987097452. Its totient is φ = 710401839427072.

The previous prime is 724063413262253. The next prime is 724063413262331. The reversal of 724063413262261 is 162262314360427.

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 430334031316036 + 293729381946225 = 20744494^2 + 17138535^2 .

It is a cyclic number.

It is not a de Polignac number, because 724063413262261 - 2³ = 724063413262253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724063413262061) 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 3 ways as a sum of consecutive naturals, for example, 6830786917516 + ... + 6830786917621.

It is an arithmetic number, because the mean of its divisors is an integer number (184431246774363).

Almost surely, 2^{724063413262261} is an apocalyptic number.

It is an amenable number.

724063413262261 is a deficient number, since it is larger than the sum of its proper divisors (13661573835191).

724063413262261 is a wasteful number, since it uses less digits than its factorization.

724063413262261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13661573835190.

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 724063413262261 in words is "seven hundred twenty-four trillion, sixty-three billion, four hundred thirteen million, two hundred sixty-two thousand, two hundred sixty-one".