1670654099 has 2 divisors, whose sum is σ = 1670654100. Its totient is φ = 1670654098.

The previous prime is 1670654071. The next prime is 1670654119. The reversal of 1670654099 is 9904560761.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1670654099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1670254099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835327049 + 835327050.

It is an arithmetic number, because the mean of its divisors is an integer number (835327050).

Almost surely, 2^1670654099 is an apocalyptic number.

1670654099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670654099 is an equidigital number, since it uses as much as digits as its factorization.

1670654099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 1670654099 is about 40873.6357448172. The cubic root of 1670654099 is about 1186.5758732120.

The spelling of 1670654099 in words is "one billion, six hundred seventy million, six hundred fifty-four thousand, ninety-nine".