3662637705642 has 16 divisors (see below), whose sum is σ = 7340194511712. Its totient is φ = 1218392718480.

The previous prime is 3662637705619. The next prime is 3662637705653. The reversal of 3662637705642 is 2465077362663.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621625993 + ... + 621631884.

It is an arithmetic number, because the mean of its divisors is an integer number (458762156982).

Almost surely, 2^{3662637705642} is an apocalyptic number.

3662637705642 is an abundant number, since it is smaller than the sum of its proper divisors (3677556806070).

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

3662637705642 is a wasteful number, since it uses less digits than its factorization.

3662637705642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243258373.

The product of its (nonzero) digits is 45722880, while the sum is 57.

The spelling of 3662637705642 in words is "three trillion, six hundred sixty-two billion, six hundred thirty-seven million, seven hundred five thousand, six hundred forty-two".