318148729219 has 2 divisors, whose sum is σ = 318148729220. Its totient is φ = 318148729218.

The previous prime is 318148729201. The next prime is 318148729271. The reversal of 318148729219 is 912927841813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318148729219 - 2¹³ = 318148721027 is a prime.

It is a super-2 number, since 2×318148729219² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 318148729219.

It is not a weakly prime, because it can be changed into another prime (318148739219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159074364609 + 159074364610.

It is an arithmetic number, because the mean of its divisors is an integer number (159074364610).

Almost surely, 2^318148729219 is an apocalyptic number.

318148729219 is a deficient number, since it is larger than the sum of its proper divisors (1).

318148729219 is an equidigital number, since it uses as much as digits as its factorization.

318148729219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 55.

The spelling of 318148729219 in words is "three hundred eighteen billion, one hundred forty-eight million, seven hundred twenty-nine thousand, two hundred nineteen".