6489007142 has 4 divisors (see below), whose sum is σ = 9733510716. Its totient is φ = 3244503570.

The previous prime is 6489007139. The next prime is 6489007159. The reversal of 6489007142 is 2417009846.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6489007142.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1622251784 + ... + 1622251787.

It is an arithmetic number, because the mean of its divisors is an integer number (2433377679).

Almost surely, 2^6489007142 is an apocalyptic number.

6489007142 is a deficient number, since it is larger than the sum of its proper divisors (3244503574).

6489007142 is a wasteful number, since it uses less digits than its factorization.

6489007142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244503573.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 6489007142 is about 80554.3738229030. The cubic root of 6489007142 is about 1865.2029087283.

The spelling of 6489007142 in words is "six billion, four hundred eighty-nine million, seven thousand, one hundred forty-two".