1002145312643 has 2 divisors, whose sum is σ = 1002145312644. Its totient is φ = 1002145312642.

The previous prime is 1002145312633. The next prime is 1002145312699. The reversal of 1002145312643 is 3462135412001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002145312643 - 2⁶ = 1002145312579 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002145312633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501072656321 + 501072656322.

It is an arithmetic number, because the mean of its divisors is an integer number (501072656322).

Almost surely, 2^{1002145312643} is an apocalyptic number.

1002145312643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002145312643 is an equidigital number, since it uses as much as digits as its factorization.

1002145312643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 1002145312643 in words is "one trillion, two billion, one hundred forty-five million, three hundred twelve thousand, six hundred forty-three".