1002201832409 has 2 divisors, whose sum is σ = 1002201832410. Its totient is φ = 1002201832408.

The previous prime is 1002201832403. The next prime is 1002201832441. The reversal of 1002201832409 is 9042381022001.

It is an a-pointer prime, because the next prime (1002201832441) can be obtained adding 1002201832409 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 722364006400 + 279837826009 = 849920^2 + 528997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002201832409 - 2¹⁶ = 1002201766873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002201832403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501100916204 + 501100916205.

It is an arithmetic number, because the mean of its divisors is an integer number (501100916205).

Almost surely, 2^{1002201832409} is an apocalyptic number.

It is an amenable number.

1002201832409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002201832409 is an equidigital number, since it uses as much as digits as its factorization.

1002201832409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 1002201832409 in words is "one trillion, two billion, two hundred one million, eight hundred thirty-two thousand, four hundred nine".