2028670999 has 2 divisors, whose sum is σ = 2028671000. Its totient is φ = 2028670998.

The previous prime is 2028670997. The next prime is 2028671053. The reversal of 2028670999 is 9990768202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2028670999 - 2¹ = 2028670997 is a prime.

Together with 2028670997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2028670993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014335499 + 1014335500.

It is an arithmetic number, because the mean of its divisors is an integer number (1014335500).

Almost surely, 2^2028670999 is an apocalyptic number.

2028670999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028670999 is an equidigital number, since it uses as much as digits as its factorization.

2028670999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 2028670999 is about 45040.7704085976. The cubic root of 2028670999 is about 1265.9130402632.

The spelling of 2028670999 in words is "two billion, twenty-eight million, six hundred seventy thousand, nine hundred ninety-nine".