673456151749 has 2 divisors, whose sum is σ = 673456151750. Its totient is φ = 673456151748.

The previous prime is 673456151747. The next prime is 673456151777. The reversal of 673456151749 is 947151654376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 547906402849 + 125549748900 = 740207^2 + 354330^2 .

It is a cyclic number.

It is not a de Polignac number, because 673456151749 - 2¹ = 673456151747 is a prime.

Together with 673456151747, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 673456151693 and 673456151702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673456151741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336728075874 + 336728075875.

It is an arithmetic number, because the mean of its divisors is an integer number (336728075875).

Almost surely, 2^673456151749 is an apocalyptic number.

It is an amenable number.

673456151749 is a deficient number, since it is larger than the sum of its proper divisors (1).

673456151749 is an equidigital number, since it uses as much as digits as its factorization.

673456151749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 58.

The spelling of 673456151749 in words is "six hundred seventy-three billion, four hundred fifty-six million, one hundred fifty-one thousand, seven hundred forty-nine".