1004043403379 has 2 divisors, whose sum is σ = 1004043403380. Its totient is φ = 1004043403378.

The previous prime is 1004043403361. The next prime is 1004043403381. The reversal of 1004043403379 is 9733043404001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004043403379 is a prime.

Together with 1004043403381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1004043403579) 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 as a sum of consecutive naturals, namely, 502021701689 + 502021701690.

It is an arithmetic number, because the mean of its divisors is an integer number (502021701690).

Almost surely, 2^{1004043403379} is an apocalyptic number.

1004043403379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004043403379 is an equidigital number, since it uses as much as digits as its factorization.

1004043403379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 1004043403379 in words is "one trillion, four billion, forty-three million, four hundred three thousand, three hundred seventy-nine".