1193981443 has 2 divisors, whose sum is σ = 1193981444. Its totient is φ = 1193981442.

The previous prime is 1193981419. The next prime is 1193981449. The reversal of 1193981443 is 3441893911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1193981443 - 2²⁵ = 1160427011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1193981443.

It is not a weakly prime, because it can be changed into another prime (1193981449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 596990721 + 596990722.

It is an arithmetic number, because the mean of its divisors is an integer number (596990722).

Almost surely, 2^1193981443 is an apocalyptic number.

1193981443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1193981443 is an equidigital number, since it uses as much as digits as its factorization.

1193981443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 43.

The square root of 1193981443 is about 34554.0365659354. The cubic root of 1193981443 is about 1060.8790154373.

The spelling of 1193981443 in words is "one billion, one hundred ninety-three million, nine hundred eighty-one thousand, four hundred forty-three".