1004994445769 has 2 divisors, whose sum is σ = 1004994445770. Its totient is φ = 1004994445768.

The previous prime is 1004994445751. The next prime is 1004994445843. The reversal of 1004994445769 is 9675444994001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 693589152400 + 311405293369 = 832820^2 + 558037^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004994445769 - 2²⁴ = 1004977668553 is a prime.

It is a super-2 number, since 2×1004994445769² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1004994441769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502497222884 + 502497222885.

It is an arithmetic number, because the mean of its divisors is an integer number (502497222885).

Almost surely, 2^{1004994445769} is an apocalyptic number.

It is an amenable number.

1004994445769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004994445769 is an equidigital number, since it uses as much as digits as its factorization.

1004994445769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 1004994445769 in words is "one trillion, four billion, nine hundred ninety-four million, four hundred forty-five thousand, seven hundred sixty-nine".