6451142500 has 60 divisors (see below), whose sum is σ = 15389911152. Its totient is φ = 2345860000.

The previous prime is 6451142479. The next prime is 6451142569. The reversal of 6451142500 is 52411546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 89794 + ... + 144793.

Almost surely, 2^6451142500 is an apocalyptic number.

It is an amenable number.

6451142500 is an abundant number, since it is smaller than the sum of its proper divisors (8938768652).

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

6451142500 is a wasteful number, since it uses less digits than its factorization.

6451142500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234622 (or 234605 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 6451142500 is about 80319.0046004057. The cubic root of 6451142500 is about 1861.5678863657.

The spelling of 6451142500 in words is "six billion, four hundred fifty-one million, one hundred forty-two thousand, five hundred".