724258050161 has 4 divisors (see below), whose sum is σ = 727420749300. Its totient is φ = 721095351024.

The previous prime is 724258050127. The next prime is 724258050199. The reversal of 724258050161 is 161050852427.

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 571451331136 + 152806719025 = 755944^2 + 390905^2 .

It is a cyclic number.

It is not a de Polignac number, because 724258050161 - 2¹⁸ = 724257788017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724258050961) 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, 1581349226 + ... + 1581349683.

It is an arithmetic number, because the mean of its divisors is an integer number (181855187325).

Almost surely, 2^724258050161 is an apocalyptic number.

It is an amenable number.

724258050161 is a deficient number, since it is larger than the sum of its proper divisors (3162699139).

724258050161 is a wasteful number, since it uses less digits than its factorization.

724258050161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162699138.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 724258050161 in words is "seven hundred twenty-four billion, two hundred fifty-eight million, fifty thousand, one hundred sixty-one".