454944308871 has 64 divisors (see below), whose sum is σ = 693391104000. Its totient is φ = 264583912320.

The previous prime is 454944308869. The next prime is 454944308873. The reversal of 454944308871 is 178803449454.

It is an interprime number because it is at equal distance from previous prime (454944308869) and next prime (454944308873).

It is not a de Polignac number, because 454944308871 - 2¹ = 454944308869 is a prime.

It is a super-2 number, since 2×454944308871² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454944308873) 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 63 ways as a sum of consecutive naturals, for example, 53969485 + ... + 53977913.

It is an arithmetic number, because the mean of its divisors is an integer number (10834236000).

Almost surely, 2^454944308871 is an apocalyptic number.

454944308871 is a deficient number, since it is larger than the sum of its proper divisors (238446795129).

454944308871 is a wasteful number, since it uses less digits than its factorization.

454944308871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8921 (or 8895 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 454944308871 in words is "four hundred fifty-four billion, nine hundred forty-four million, three hundred eight thousand, eight hundred seventy-one".