1891119364 has 12 divisors (see below), whose sum is σ = 3356071488. Its totient is φ = 932241800.

The previous prime is 1891119359. The next prime is 1891119379. The reversal of 1891119364 is 4639111981.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1891119364.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3329152 + ... + 3329719.

It is an arithmetic number, because the mean of its divisors is an integer number (279672624).

Almost surely, 2^1891119364 is an apocalyptic number.

It is an amenable number.

1891119364 is a deficient number, since it is larger than the sum of its proper divisors (1464952124).

1891119364 is a wasteful number, since it uses less digits than its factorization.

1891119364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658946 (or 6658944 counting only the distinct ones).

The product of its digits is 46656, while the sum is 43.

The square root of 1891119364 is about 43487.0022420493. The cubic root of 1891119364 is about 1236.6296274009.

The spelling of 1891119364 in words is "one billion, eight hundred ninety-one million, one hundred nineteen thousand, three hundred sixty-four".