1002245673409 has 2 divisors, whose sum is σ = 1002245673410. Its totient is φ = 1002245673408.

The previous prime is 1002245673379. The next prime is 1002245673437. The reversal of 1002245673409 is 9043765422001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710480410000 + 291765263409 = 842900^2 + 540153^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002245673409 - 2²⁵ = 1002212118977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002245673439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501122836704 + 501122836705.

It is an arithmetic number, because the mean of its divisors is an integer number (501122836705).

Almost surely, 2^{1002245673409} is an apocalyptic number.

It is an amenable number.

1002245673409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002245673409 is an equidigital number, since it uses as much as digits as its factorization.

1002245673409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 1002245673409 in words is "one trillion, two billion, two hundred forty-five million, six hundred seventy-three thousand, four hundred nine".