6642453004 has 24 divisors (see below), whose sum is σ = 12751905600. Its totient is φ = 3002425680.

The previous prime is 6642453001. The next prime is 6642453007. The reversal of 6642453004 is 4003542466.

It is an interprime number because it is at equal distance from previous prime (6642453001) and next prime (6642453007).

It is not an unprimeable number, because it can be changed into a prime (6642453001) 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, 413814 + ... + 429565.

It is an arithmetic number, because the mean of its divisors is an integer number (531329400).

Almost surely, 2^6642453004 is an apocalyptic number.

It is an amenable number.

6642453004 is a deficient number, since it is larger than the sum of its proper divisors (6109452596).

6642453004 is a wasteful number, since it uses less digits than its factorization.

6642453004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843573 (or 843571 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 6642453004 is about 81501.2454137972. The cubic root of 6642453004 is about 1879.7907006321.

The spelling of 6642453004 in words is "six billion, six hundred forty-two million, four hundred fifty-three thousand, four".