188035864988690 has 16 divisors (see below), whose sum is σ = 338503296355992. Its totient is φ = 75205737245184.

The previous prime is 188035864988687. The next prime is 188035864988711. The reversal of 188035864988690 is 96889468530881.

188035864988690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 13712617²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 175169963162041 + 12865901826649 = 13235179^2 + 3586907^2 .

It is a super-2 number, since 2×188035864988690² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 188035864988599 and 188035864988608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076002049 + ... + 1076176788.

Almost surely, 2^{188035864988690} is an apocalyptic number.

188035864988690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188035864988690 is a deficient number, since it is larger than the sum of its proper divisors (150467431367302).

188035864988690 is a wasteful number, since it uses less digits than its factorization.

188035864988690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152187581.

The product of its (nonzero) digits is 5733089280, while the sum is 83.

The spelling of 188035864988690 in words is "one hundred eighty-eight trillion, thirty-five billion, eight hundred sixty-four million, nine hundred eighty-eight thousand, six hundred ninety".