6478542712 has 16 divisors (see below), whose sum is σ = 12429762840. Its totient is φ = 3163939296.

The previous prime is 6478542683. The next prime is 6478542769. The reversal of 6478542712 is 2172458746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9416143 + ... + 9416830.

Almost surely, 2^6478542712 is an apocalyptic number.

It is an amenable number.

6478542712 is a deficient number, since it is larger than the sum of its proper divisors (5951220128).

6478542712 is a wasteful number, since it uses less digits than its factorization.

6478542712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18833022 (or 18833018 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The square root of 6478542712 is about 80489.3950281650. The cubic root of 6478542712 is about 1864.1997359140.

The spelling of 6478542712 in words is "six billion, four hundred seventy-eight million, five hundred forty-two thousand, seven hundred twelve".