6454495008 has 72 divisors (see below), whose sum is σ = 19766902428. Its totient is φ = 1985997312.

The previous prime is 6454494989. The next prime is 6454495031. The reversal of 6454495008 is 8005944546.

It can be written as a sum of positive squares in 2 ways, for example, as 4729587984 + 1724907024 = 68772^2 + 41532^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 858235 + ... + 865722.

Almost surely, 2^6454495008 is an apocalyptic number.

It is an amenable number.

6454495008 is an abundant number, since it is smaller than the sum of its proper divisors (13312407420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6454495008 is a wasteful number, since it uses less digits than its factorization.

6454495008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723986 (or 1723975 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 6454495008 is about 80339.8718445580. The cubic root of 6454495008 is about 1861.8903016307.

The spelling of 6454495008 in words is "six billion, four hundred fifty-four million, four hundred ninety-five thousand, eight".