63542505622 has 4 divisors (see below), whose sum is σ = 95313758436. Its totient is φ = 31771252810.

The previous prime is 63542505613. The next prime is 63542505661. The reversal of 63542505622 is 22650524536.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15885626404 + ... + 15885626407.

It is an arithmetic number, because the mean of its divisors is an integer number (23828439609).

Almost surely, 2^63542505622 is an apocalyptic number.

63542505622 is a deficient number, since it is larger than the sum of its proper divisors (31771252814).

63542505622 is a wasteful number, since it uses less digits than its factorization.

63542505622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31771252813.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 63542505622 in words is "sixty-three billion, five hundred forty-two million, five hundred five thousand, six hundred twenty-two".