3145505219 has 2 divisors, whose sum is σ = 3145505220. Its totient is φ = 3145505218.

The previous prime is 3145505183. The next prime is 3145505263. The reversal of 3145505219 is 9125055413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3145505219 - 2²⁰ = 3144456643 is a prime.

It is a super-3 number, since 3×3145505219³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (3145505819) 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, 1572752609 + 1572752610.

It is an arithmetic number, because the mean of its divisors is an integer number (1572752610).

Almost surely, 2^3145505219 is an apocalyptic number.

3145505219 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145505219 is an equidigital number, since it uses as much as digits as its factorization.

3145505219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 3145505219 is about 56084.8038152939. The cubic root of 3145505219 is about 1465.1996402713.

The spelling of 3145505219 in words is "three billion, one hundred forty-five million, five hundred five thousand, two hundred nineteen".