6454431672 has 64 divisors (see below), whose sum is σ = 18132871680. Its totient is φ = 1899629952.

The previous prime is 6454431653. The next prime is 6454431707. The reversal of 6454431672 is 2761344546.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 442548 + ... + 456899.

It is an arithmetic number, because the mean of its divisors is an integer number (283326120).

Almost surely, 2^6454431672 is an apocalyptic number.

It is an amenable number.

6454431672 is an abundant number, since it is smaller than the sum of its proper divisors (11678440008).

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

6454431672 is a wasteful number, since it uses less digits than its factorization.

6454431672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899492 (or 899488 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 6454431672 is about 80339.4776682049. The cubic root of 6454431672 is about 1861.8842115560.

The spelling of 6454431672 in words is "six billion, four hundred fifty-four million, four hundred thirty-one thousand, six hundred seventy-two".