1002245129989 has 4 divisors (see below), whose sum is σ = 1002311304300. Its totient is φ = 1002178955680.

The previous prime is 1002245129969. The next prime is 1002245130001. The reversal of 1002245129989 is 9899215422001.

It is a happy number.

1002245129989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 509307740964 + 492937389025 = 713658^2 + 702095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002245129989 - 2¹¹ = 1002245127941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002245129959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33064432 + ... + 33094729.

It is an arithmetic number, because the mean of its divisors is an integer number (250577826075).

Almost surely, 2^{1002245129989} is an apocalyptic number.

It is an amenable number.

1002245129989 is a deficient number, since it is larger than the sum of its proper divisors (66174311).

1002245129989 is an equidigital number, since it uses as much as digits as its factorization.

1002245129989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66174310.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 1002245129989 in words is "one trillion, two billion, two hundred forty-five million, one hundred twenty-nine thousand, nine hundred eighty-nine".