1004351133421 has 2 divisors, whose sum is σ = 1004351133422. Its totient is φ = 1004351133420.

The previous prime is 1004351133349. The next prime is 1004351133481. The reversal of 1004351133421 is 1243311534001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972365599396 + 31985534025 = 986086^2 + 178845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004351133421 - 2²⁵ = 1004317578989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1004351133421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004351133481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502175566710 + 502175566711.

It is an arithmetic number, because the mean of its divisors is an integer number (502175566711).

Almost surely, 2^{1004351133421} is an apocalyptic number.

It is an amenable number.

1004351133421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004351133421 is an equidigital number, since it uses as much as digits as its factorization.

1004351133421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1004351133421 its reverse (1243311534001), we get a palindrome (2247662667422).

The spelling of 1004351133421 in words is "one trillion, four billion, three hundred fifty-one million, one hundred thirty-three thousand, four hundred twenty-one".