1673448899 has 2 divisors, whose sum is σ = 1673448900. Its totient is φ = 1673448898.

The previous prime is 1673448869. The next prime is 1673448943. The reversal of 1673448899 is 9988443761.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1673448899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1673448859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836724449 + 836724450.

It is an arithmetic number, because the mean of its divisors is an integer number (836724450).

Almost surely, 2^1673448899 is an apocalyptic number.

1673448899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673448899 is an equidigital number, since it uses as much as digits as its factorization.

1673448899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 59.

The square root of 1673448899 is about 40907.8097555956. The cubic root of 1673448899 is about 1187.2371700351.

The spelling of 1673448899 in words is "one billion, six hundred seventy-three million, four hundred forty-eight thousand, eight hundred ninety-nine".