3189219218923 has 4 divisors (see below), whose sum is σ = 3189305785320. Its totient is φ = 3189132652528.

The previous prime is 3189219218917. The next prime is 3189219219083. The reversal of 3189219218923 is 3298129129813.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3189219218923 is a prime.

It is a super-2 number, since 2×3189219218923² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3189219216923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43227913 + ... + 43301626.

It is an arithmetic number, because the mean of its divisors is an integer number (797326446330).

Almost surely, 2^{3189219218923} is an apocalyptic number.

3189219218923 is a deficient number, since it is larger than the sum of its proper divisors (86566397).

3189219218923 is an equidigital number, since it uses as much as digits as its factorization.

3189219218923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86566396.

The product of its digits is 3359232, while the sum is 58.

The spelling of 3189219218923 in words is "three trillion, one hundred eighty-nine billion, two hundred nineteen million, two hundred eighteen thousand, nine hundred twenty-three".