1002431012389 has 2 divisors, whose sum is σ = 1002431012390. Its totient is φ = 1002431012388.

The previous prime is 1002431012381. The next prime is 1002431012413. The reversal of 1002431012389 is 9832101342001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976424612164 + 26006400225 = 988142^2 + 161265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002431012389 - 2³ = 1002431012381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002431012381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501215506194 + 501215506195.

It is an arithmetic number, because the mean of its divisors is an integer number (501215506195).

Almost surely, 2^{1002431012389} is an apocalyptic number.

It is an amenable number.

1002431012389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002431012389 is an equidigital number, since it uses as much as digits as its factorization.

1002431012389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 1002431012389 in words is "one trillion, two billion, four hundred thirty-one million, twelve thousand, three hundred eighty-nine".