299671001999 has 2 divisors, whose sum is σ = 299671002000. Its totient is φ = 299671001998.

The previous prime is 299671001963. The next prime is 299671002013. The reversal of 299671001999 is 999100176992.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-299671001999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299671001699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149835500999 + 149835501000.

It is an arithmetic number, because the mean of its divisors is an integer number (149835501000).

Almost surely, 2^299671001999 is an apocalyptic number.

299671001999 is a deficient number, since it is larger than the sum of its proper divisors (1).

299671001999 is an equidigital number, since it uses as much as digits as its factorization.

299671001999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4960116, while the sum is 62.

The spelling of 299671001999 in words is "two hundred ninety-nine billion, six hundred seventy-one million, one thousand, nine hundred ninety-nine".