63665100630642 has 32 divisors (see below), whose sum is σ = 145520680136832. Its totient is φ = 18189972486144.

The previous prime is 63665100630631. The next prime is 63665100630673. The reversal of 63665100630642 is 24603600156636.

It is a super-2 number, since 2×63665100630642² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63665100630591 and 63665100630600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12501408 + ... + 16840884.

It is an arithmetic number, because the mean of its divisors is an integer number (4547521254276).

Almost surely, 2^{63665100630642} is an apocalyptic number.

63665100630642 is an abundant number, since it is smaller than the sum of its proper divisors (81855579506190).

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

63665100630642 is a wasteful number, since it uses less digits than its factorization.

63665100630642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688802.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 63665100630642 in words is "sixty-three trillion, six hundred sixty-five billion, one hundred million, six hundred thirty thousand, six hundred forty-two".