63558555478442 has 8 divisors (see below), whose sum is σ = 95338228000800. Its totient is φ = 31779146144844.

The previous prime is 63558555478421. The next prime is 63558555478477. The reversal of 63558555478442 is 24487455585536.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 65192342 + ... + 66160097.

It is an arithmetic number, because the mean of its divisors is an integer number (11917278500100).

Almost surely, 2^{63558555478442} is an apocalyptic number.

63558555478442 is a deficient number, since it is larger than the sum of its proper divisors (31779672522358).

63558555478442 is a wasteful number, since it uses less digits than its factorization.

63558555478442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131594380.

The product of its digits is 3225600000, while the sum is 71.

The spelling of 63558555478442 in words is "sixty-three trillion, five hundred fifty-eight billion, five hundred fifty-five million, four hundred seventy-eight thousand, four hundred forty-two".