1004200432381 has 2 divisors, whose sum is σ = 1004200432382. Its totient is φ = 1004200432380.

The previous prime is 1004200432343. The next prime is 1004200432511. The reversal of 1004200432381 is 1832340024001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 832610625625 + 171589806756 = 912475^2 + 414234^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004200432381 - 2⁷ = 1004200432253 is a prime.

It is a super-2 number, since 2×1004200432381² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004200432181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502100216190 + 502100216191.

It is an arithmetic number, because the mean of its divisors is an integer number (502100216191).

Almost surely, 2^{1004200432381} is an apocalyptic number.

It is an amenable number.

1004200432381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004200432381 is an equidigital number, since it uses as much as digits as its factorization.

1004200432381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1004200432381 its reverse (1832340024001), we get a palindrome (2836540456382).

The spelling of 1004200432381 in words is "one trillion, four billion, two hundred million, four hundred thirty-two thousand, three hundred eighty-one".