1000206143999 has 2 divisors, whose sum is σ = 1000206144000. Its totient is φ = 1000206143998.

The previous prime is 1000206143977. The next prime is 1000206144053. The reversal of 1000206143999 is 9993416020001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000206143999 - 2²⁴ = 1000189366783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000206193999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500103071999 + 500103072000.

It is an arithmetic number, because the mean of its divisors is an integer number (500103072000).

Almost surely, 2^{1000206143999} is an apocalyptic number.

1000206143999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000206143999 is an equidigital number, since it uses as much as digits as its factorization.

1000206143999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 1000206143999 in words is "one trillion, two hundred six million, one hundred forty-three thousand, nine hundred ninety-nine".