6140643004 has 12 divisors (see below), whose sum is σ = 10755141264. Its totient is φ = 3067745504.

The previous prime is 6140643001. The next prime is 6140643037. The reversal of 6140643004 is 4003460416.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6140643001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638632 + ... + 648175.

It is an arithmetic number, because the mean of its divisors is an integer number (896261772).

Almost surely, 2^6140643004 is an apocalyptic number.

It is an amenable number.

6140643004 is a deficient number, since it is larger than the sum of its proper divisors (4614498260).

6140643004 is a wasteful number, since it uses less digits than its factorization.

6140643004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288004 (or 1288002 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6140643004 is about 78362.2549701066. The cubic root of 6140643004 is about 1831.2091508258.

The spelling of 6140643004 in words is "six billion, one hundred forty million, six hundred forty-three thousand, four".