1004740104821 has 2 divisors, whose sum is σ = 1004740104822. Its totient is φ = 1004740104820.

The previous prime is 1004740104811. The next prime is 1004740104859. The reversal of 1004740104821 is 1284010474001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994379918596 + 10360186225 = 997186^2 + 101785^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004740104821 - 2³⁰ = 1003666362997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004740104811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502370052410 + 502370052411.

It is an arithmetic number, because the mean of its divisors is an integer number (502370052411).

Almost surely, 2^{1004740104821} is an apocalyptic number.

It is an amenable number.

1004740104821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004740104821 is an equidigital number, since it uses as much as digits as its factorization.

1004740104821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 32.

Adding to 1004740104821 its reverse (1284010474001), we get a palindrome (2288750578822).

The spelling of 1004740104821 in words is "one trillion, four billion, seven hundred forty million, one hundred four thousand, eight hundred twenty-one".