188987045683 has 2 divisors, whose sum is σ = 188987045684. Its totient is φ = 188987045682.

The previous prime is 188987045677. The next prime is 188987045701. The reversal of 188987045683 is 386540789881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 188987045683 - 2²¹ = 188984948531 is a prime.

It is a super-2 number, since 2×188987045683² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (188987043683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94493522841 + 94493522842.

It is an arithmetic number, because the mean of its divisors is an integer number (94493522842).

Almost surely, 2^188987045683 is an apocalyptic number.

188987045683 is a deficient number, since it is larger than the sum of its proper divisors (1).

188987045683 is an equidigital number, since it uses as much as digits as its factorization.

188987045683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92897280, while the sum is 67.

The spelling of 188987045683 in words is "one hundred eighty-eight billion, nine hundred eighty-seven million, forty-five thousand, six hundred eighty-three".