673051949 has 2 divisors, whose sum is σ = 673051950. Its totient is φ = 673051948.

The previous prime is 673051937. The next prime is 673051961. The reversal of 673051949 is 949150376.

It is a balanced prime because it is at equal distance from previous prime (673051937) and next prime (673051961).

It can be written as a sum of positive squares in only one way, i.e., 375661924 + 297390025 = 19382^2 + 17245^2 .

It is a cyclic number.

It is not a de Polignac number, because 673051949 - 2⁴ = 673051933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673051549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336525974 + 336525975.

It is an arithmetic number, because the mean of its divisors is an integer number (336525975).

Almost surely, 2^673051949 is an apocalyptic number.

It is an amenable number.

673051949 is a deficient number, since it is larger than the sum of its proper divisors (1).

673051949 is an equidigital number, since it uses as much as digits as its factorization.

673051949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 673051949 is about 25943.2447662200. The cubic root of 673051949 is about 876.3606364021.

The spelling of 673051949 in words is "six hundred seventy-three million, fifty-one thousand, nine hundred forty-nine".