188153398313 has 2 divisors, whose sum is σ = 188153398314. Its totient is φ = 188153398312.

The previous prime is 188153398217. The next prime is 188153398387. The reversal of 188153398313 is 313893351881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123765350809 + 64388047504 = 351803^2 + 253748^2 .

It is a cyclic number.

It is not a de Polignac number, because 188153398313 - 2¹⁶ = 188153332777 is a prime.

It is not a weakly prime, because it can be changed into another prime (188153398513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94076699156 + 94076699157.

It is an arithmetic number, because the mean of its divisors is an integer number (94076699157).

Almost surely, 2^188153398313 is an apocalyptic number.

It is an amenable number.

188153398313 is a deficient number, since it is larger than the sum of its proper divisors (1).

188153398313 is an equidigital number, since it uses as much as digits as its factorization.

188153398313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 53.

The spelling of 188153398313 in words is "one hundred eighty-eight billion, one hundred fifty-three million, three hundred ninety-eight thousand, three hundred thirteen".