6415399148 has 6 divisors (see below), whose sum is σ = 11226948516. Its totient is φ = 3207699572.

The previous prime is 6415399127. The next prime is 6415399181. The reversal of 6415399148 is 8419935146.

It is a junction number, because it is equal to n+sod(n) for n = 6415399096 and 6415399105.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 801924890 + ... + 801924897.

It is an arithmetic number, because the mean of its divisors is an integer number (1871158086).

Almost surely, 2^6415399148 is an apocalyptic number.

It is an amenable number.

6415399148 is a deficient number, since it is larger than the sum of its proper divisors (4811549368).

6415399148 is a wasteful number, since it uses less digits than its factorization.

6415399148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603849791 (or 1603849789 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 6415399148 is about 80096.1868505611. The cubic root of 6415399148 is about 1858.1234347569.

The spelling of 6415399148 in words is "six billion, four hundred fifteen million, three hundred ninety-nine thousand, one hundred forty-eight".