1219634149834 has 16 divisors (see below), whose sum is σ = 1845042006528. Its totient is φ = 604638544752.

The previous prime is 1219634149831. The next prime is 1219634149849. The reversal of 1219634149834 is 4389414369121.

It is not an unprimeable number, because it can be changed into a prime (1219634149831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4466394 + ... + 4731589.

It is an arithmetic number, because the mean of its divisors is an integer number (115315125408).

Almost surely, 2^{1219634149834} is an apocalyptic number.

1219634149834 is a deficient number, since it is larger than the sum of its proper divisors (625407856694).

1219634149834 is a wasteful number, since it uses less digits than its factorization.

1219634149834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9198549.

The product of its digits is 4478976, while the sum is 55.

The spelling of 1219634149834 in words is "one trillion, two hundred nineteen billion, six hundred thirty-four million, one hundred forty-nine thousand, eight hundred thirty-four".