188909413153 has 2 divisors, whose sum is σ = 188909413154. Its totient is φ = 188909413152.

The previous prime is 188909413151. The next prime is 188909413171. The reversal of 188909413153 is 351314909881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153874183824 + 35035229329 = 392268^2 + 187177^2 .

It is a cyclic number.

It is not a de Polignac number, because 188909413153 - 2¹ = 188909413151 is a prime.

It is a super-4 number, since 4×188909413153⁴ (a number of 46 digits) contains 4444 as substring.

Together with 188909413151, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 188909413153.

It is not a weakly prime, because it can be changed into another prime (188909413151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94454706576 + 94454706577.

It is an arithmetic number, because the mean of its divisors is an integer number (94454706577).

Almost surely, 2^188909413153 is an apocalyptic number.

It is an amenable number.

188909413153 is a deficient number, since it is larger than the sum of its proper divisors (1).

188909413153 is an equidigital number, since it uses as much as digits as its factorization.

188909413153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 188909413153 in words is "one hundred eighty-eight billion, nine hundred nine million, four hundred thirteen thousand, one hundred fifty-three".