18652049780642 has 16 divisors (see below), whose sum is σ = 28883439281664. Its totient is φ = 9024295980000.

The previous prime is 18652049780629. The next prime is 18652049780681. The reversal of 18652049780642 is 24608794025681.

It is a super-2 number, since 2×18652049780642² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14188859 + ... + 15447582.

It is an arithmetic number, because the mean of its divisors is an integer number (1805214955104).

Almost surely, 2^{18652049780642} is an apocalyptic number.

18652049780642 is a deficient number, since it is larger than the sum of its proper divisors (10231389501022).

18652049780642 is a wasteful number, since it uses less digits than its factorization.

18652049780642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29646625.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 18652049780642 in words is "eighteen trillion, six hundred fifty-two billion, forty-nine million, seven hundred eighty thousand, six hundred forty-two".