6454460081 has 8 divisors (see below), whose sum is σ = 6786489000. Its totient is φ = 6129728640.

The previous prime is 6454460063. The next prime is 6454460107. The reversal of 6454460081 is 1800644546.

It can be written as a sum of positive squares in 4 ways, for example, as 99181681 + 6355278400 = 9959^2 + 79720^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6454460081 - 2⁶ = 6454460017 is a prime.

It is a super-2 number, since 2×6454460081² = 83320109874445053122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6454460011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822556 + ... + 1826093.

It is an arithmetic number, because the mean of its divisors is an integer number (848311125).

Almost surely, 2^6454460081 is an apocalyptic number.

6454460081 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6454460081 is a deficient number, since it is larger than the sum of its proper divisors (332028919).

6454460081 is a wasteful number, since it uses less digits than its factorization.

6454460081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648739.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 6454460081 is about 80339.6544739894. The cubic root of 6454460081 is about 1861.8869432291.

The spelling of 6454460081 in words is "six billion, four hundred fifty-four million, four hundred sixty thousand, eighty-one".