1679674973 has 2 divisors, whose sum is σ = 1679674974. Its totient is φ = 1679674972.

The previous prime is 1679674967. The next prime is 1679674999. The reversal of 1679674973 is 3794769761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036646809 + 643028164 = 32197^2 + 25358^2 .

It is a cyclic number.

It is not a de Polignac number, because 1679674973 - 2²² = 1675480669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1679674933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839837486 + 839837487.

It is an arithmetic number, because the mean of its divisors is an integer number (839837487).

Almost surely, 2^1679674973 is an apocalyptic number.

It is an amenable number.

1679674973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679674973 is an equidigital number, since it uses as much as digits as its factorization.

1679674973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12002256, while the sum is 59.

The square root of 1679674973 is about 40983.8379486353. The cubic root of 1679674973 is about 1188.7077215160.

The spelling of 1679674973 in words is "one billion, six hundred seventy-nine million, six hundred seventy-four thousand, nine hundred seventy-three".