6478436573142 has 32 divisors (see below), whose sum is σ = 13520544081408. Its totient is φ = 2065538266176.

The previous prime is 6478436573137. The next prime is 6478436573153. The reversal of 6478436573142 is 2413756348746.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5349378 + ... + 6447690.

It is an arithmetic number, because the mean of its divisors is an integer number (422517002544).

Almost surely, 2^{6478436573142} is an apocalyptic number.

6478436573142 is an abundant number, since it is smaller than the sum of its proper divisors (7042107508266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6478436573142 is a wasteful number, since it uses less digits than its factorization.

6478436573142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141084.

The product of its digits is 81285120, while the sum is 60.

The spelling of 6478436573142 in words is "six trillion, four hundred seventy-eight billion, four hundred thirty-six million, five hundred seventy-three thousand, one hundred forty-two".