6493158140 has 24 divisors (see below), whose sum is σ = 15583579872. Its totient is φ = 2226225600.

The previous prime is 6493158131. The next prime is 6493158163. The reversal of 6493158140 is 418513946.

It is a super-2 number, since 2×6493158140² = 84322205262096519200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 23189711 + ... + 23189990.

It is an arithmetic number, because the mean of its divisors is an integer number (649315828).

Almost surely, 2^6493158140 is an apocalyptic number.

It is an amenable number.

6493158140 is an abundant number, since it is smaller than the sum of its proper divisors (9090421732).

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

6493158140 is a wasteful number, since it uses less digits than its factorization.

6493158140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46379717 (or 46379715 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 6493158140 is about 80580.1348968839. The cubic root of 6493158140 is about 1865.6005454812.

The spelling of 6493158140 in words is "six billion, four hundred ninety-three million, one hundred fifty-eight thousand, one hundred forty".