1219411419 has 4 divisors (see below), whose sum is σ = 1625881896. Its totient is φ = 812940944.

The previous prime is 1219411387. The next prime is 1219411421. The reversal of 1219411419 is 9141149121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1219411419 - 2⁵ = 1219411387 is a prime.

It is a super-2 number, since 2×1219411419² = 2973928417575187122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1219411419.

It is not an unprimeable number, because it can be changed into a prime (1219411429) 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 in 3 ways as a sum of consecutive naturals, for example, 203235234 + ... + 203235239.

It is an arithmetic number, because the mean of its divisors is an integer number (406470474).

Almost surely, 2^1219411419 is an apocalyptic number.

1219411419 is a deficient number, since it is larger than the sum of its proper divisors (406470477).

1219411419 is an equidigital number, since it uses as much as digits as its factorization.

1219411419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406470476.

The product of its digits is 2592, while the sum is 33.

The square root of 1219411419 is about 34920.0718641872. The cubic root of 1219411419 is about 1068.3578674540.

The spelling of 1219411419 in words is "one billion, two hundred nineteen million, four hundred eleven thousand, four hundred nineteen".