6397650718 has 8 divisors (see below), whose sum is σ = 9597408048. Its totient is φ = 3198514704.

The previous prime is 6397650713. The next prime is 6397650737. The reversal of 6397650718 is 8170567936.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397650713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128671 + ... + 171322.

It is an arithmetic number, because the mean of its divisors is an integer number (1199676006).

Almost surely, 2^6397650718 is an apocalyptic number.

6397650718 is a deficient number, since it is larger than the sum of its proper divisors (3199757330).

6397650718 is a wasteful number, since it uses less digits than its factorization.

6397650718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310658.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 6397650718 is about 79985.3156398098. The cubic root of 6397650718 is about 1856.4083306198.

The spelling of 6397650718 in words is "six billion, three hundred ninety-seven million, six hundred fifty thousand, seven hundred eighteen".