6415042387 has 8 divisors (see below), whose sum is σ = 6918125760. Its totient is φ = 5913333120.

The previous prime is 6415042349. The next prime is 6415042391. The reversal of 6415042387 is 7832405146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6415042387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6415042397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333814 + ... + 352507.

It is an arithmetic number, because the mean of its divisors is an integer number (864765720).

Almost surely, 2^6415042387 is an apocalyptic number.

6415042387 is a deficient number, since it is larger than the sum of its proper divisors (503083373).

6415042387 is a wasteful number, since it uses less digits than its factorization.

6415042387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687053.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 6415042387 is about 80093.9597410441. The cubic root of 6415042387 is about 1858.0889906405.

The spelling of 6415042387 in words is "six billion, four hundred fifteen million, forty-two thousand, three hundred eighty-seven".