1219933794 has 16 divisors (see below), whose sum is σ = 2449591200. Its totient is φ = 405024000.

The previous prime is 1219933783. The next prime is 1219933811. The reversal of 1219933794 is 4973399121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403519 + ... + 406530.

It is an arithmetic number, because the mean of its divisors is an integer number (153099450).

Almost surely, 2^1219933794 is an apocalyptic number.

1219933794 is an abundant number, since it is smaller than the sum of its proper divisors (1229657406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1219933794 is a wasteful number, since it uses less digits than its factorization.

1219933794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810305.

The product of its digits is 367416, while the sum is 48.

The square root of 1219933794 is about 34927.5506441548. The cubic root of 1219933794 is about 1068.5104010890.

The spelling of 1219933794 in words is "one billion, two hundred nineteen million, nine hundred thirty-three thousand, seven hundred ninety-four".