188513432651 has 2 divisors, whose sum is σ = 188513432652. Its totient is φ = 188513432650.

The previous prime is 188513432593. The next prime is 188513432659. The reversal of 188513432651 is 156234315881.

188513432651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 188513432651 - 2⁶ = 188513432587 is a prime.

It is a super-2 number, since 2×188513432651² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 188513432596 and 188513432605.

It is not a weakly prime, because it can be changed into another prime (188513432659) by changing a digit.

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 as a sum of consecutive naturals, namely, 94256716325 + 94256716326.

It is an arithmetic number, because the mean of its divisors is an integer number (94256716326).

Almost surely, 2^188513432651 is an apocalyptic number.

188513432651 is a deficient number, since it is larger than the sum of its proper divisors (1).

188513432651 is an equidigital number, since it uses as much as digits as its factorization.

188513432651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 47.

The spelling of 188513432651 in words is "one hundred eighty-eight billion, five hundred thirteen million, four hundred thirty-two thousand, six hundred fifty-one".