1002009859349 has 2 divisors, whose sum is σ = 1002009859350. Its totient is φ = 1002009859348.

The previous prime is 1002009859337. The next prime is 1002009859373. The reversal of 1002009859349 is 9439589002001.

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., 700451824900 + 301558034449 = 836930^2 + 549143^2 .

It is an emirp because it is prime and its reverse (9439589002001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002009859349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002009859297 and 1002009859306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002009859309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501004929674 + 501004929675.

It is an arithmetic number, because the mean of its divisors is an integer number (501004929675).

Almost surely, 2^{1002009859349} is an apocalyptic number.

It is an amenable number.

1002009859349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002009859349 is an equidigital number, since it uses as much as digits as its factorization.

1002009859349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 1002009859349 in words is "one trillion, two billion, nine million, eight hundred fifty-nine thousand, three hundred forty-nine".