673430951 has 2 divisors, whose sum is σ = 673430952. Its totient is φ = 673430950.

The previous prime is 673430941. The next prime is 673430957. The reversal of 673430951 is 159034376.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673430951 - 2¹⁰ = 673429927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673430957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336715475 + 336715476.

It is an arithmetic number, because the mean of its divisors is an integer number (336715476).

Almost surely, 2^673430951 is an apocalyptic number.

673430951 is a deficient number, since it is larger than the sum of its proper divisors (1).

673430951 is an equidigital number, since it uses as much as digits as its factorization.

673430951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 673430951 is about 25950.5481830346. The cubic root of 673430951 is about 876.5251012252.

The spelling of 673430951 in words is "six hundred seventy-three million, four hundred thirty thousand, nine hundred fifty-one".