458382517081 has 4 divisors (see below), whose sum is σ = 458412790500. Its totient is φ = 458352243664.

The previous prime is 458382517069. The next prime is 458382517133. The reversal of 458382517081 is 180715283854.

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 158073037056 + 300309480025 = 397584^2 + 548005^2 .

It is a cyclic number.

It is not a de Polignac number, because 458382517081 - 2⁹ = 458382516569 is a prime.

It is a super-2 number, since 2×458382517081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (458382517051) 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, 15113986 + ... + 15144283.

It is an arithmetic number, because the mean of its divisors is an integer number (114603197625).

Almost surely, 2^458382517081 is an apocalyptic number.

It is an amenable number.

458382517081 is a deficient number, since it is larger than the sum of its proper divisors (30273419).

458382517081 is a wasteful number, since it uses less digits than its factorization.

458382517081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30273418.

The product of its (nonzero) digits is 2150400, while the sum is 52.

The spelling of 458382517081 in words is "four hundred fifty-eight billion, three hundred eighty-two million, five hundred seventeen thousand, eighty-one".