6558478497434 has 16 divisors (see below), whose sum is σ = 10192776743520. Its totient is φ = 3161237968560.

The previous prime is 6558478497427. The next prime is 6558478497497. The reversal of 6558478497434 is 4347948748556.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87892112 + ... + 87966699.

It is an arithmetic number, because the mean of its divisors is an integer number (637048546470).

Almost surely, 2^{6558478497434} is an apocalyptic number.

6558478497434 is a deficient number, since it is larger than the sum of its proper divisors (3634298246086).

6558478497434 is a wasteful number, since it uses less digits than its factorization.

6558478497434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175859485.

The product of its digits is 3251404800, while the sum is 74.

The spelling of 6558478497434 in words is "six trillion, five hundred fifty-eight billion, four hundred seventy-eight million, four hundred ninety-seven thousand, four hundred thirty-four".