730016127281 has 4 divisors (see below), whose sum is σ = 834304145472. Its totient is φ = 625728109092.

The previous prime is 730016127259. The next prime is 730016127331. The reversal of 730016127281 is 182721610037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 730016127281 - 2³⁴ = 712836258097 is a prime.

It is a super-2 number, since 2×730016127281² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (730016127251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52144009085 + ... + 52144009098.

It is an arithmetic number, because the mean of its divisors is an integer number (208576036368).

Almost surely, 2^730016127281 is an apocalyptic number.

It is an amenable number.

730016127281 is a deficient number, since it is larger than the sum of its proper divisors (104288018191).

730016127281 is a wasteful number, since it uses less digits than its factorization.

730016127281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104288018190.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 730016127281 in words is "seven hundred thirty billion, sixteen million, one hundred twenty-seven thousand, two hundred eighty-one".