1672675889 has 2 divisors, whose sum is σ = 1672675890. Its totient is φ = 1672675888.

The previous prime is 1672675867. The next prime is 1672675967. The reversal of 1672675889 is 9885762761.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1006158400 + 666517489 = 31720^2 + 25817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672675889 - 2⁸ = 1672675633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1672675819) 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, 836337944 + 836337945.

It is an arithmetic number, because the mean of its divisors is an integer number (836337945).

Almost surely, 2^1672675889 is an apocalyptic number.

It is an amenable number.

1672675889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672675889 is an equidigital number, since it uses as much as digits as its factorization.

1672675889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 59.

The square root of 1672675889 is about 40898.3604683611. The cubic root of 1672675889 is about 1187.0543365364.

The spelling of 1672675889 in words is "one billion, six hundred seventy-two million, six hundred seventy-five thousand, eight hundred eighty-nine".