6415953448 has 8 divisors (see below), whose sum is σ = 12029912730. Its totient is φ = 3207976720.

The previous prime is 6415953377. The next prime is 6415953457. The reversal of 6415953448 is 8443595146.

It can be written as a sum of positive squares in only one way, i.e., 6247005444 + 168948004 = 79038^2 + 12998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 400997083 + ... + 400997098.

Almost surely, 2^6415953448 is an apocalyptic number.

It is an amenable number.

6415953448 is a deficient number, since it is larger than the sum of its proper divisors (5613959282).

6415953448 is a wasteful number, since it uses less digits than its factorization.

6415953448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801994187 (or 801994183 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 49.

The square root of 6415953448 is about 80099.6469904830. The cubic root of 6415953448 is about 1858.1769480891.

The spelling of 6415953448 in words is "six billion, four hundred fifteen million, nine hundred fifty-three thousand, four hundred forty-eight".