673469843 has 2 divisors, whose sum is σ = 673469844. Its totient is φ = 673469842.

The previous prime is 673469803. The next prime is 673469903. The reversal of 673469843 is 348964376.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673469843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673469791 and 673469800.

It is not a weakly prime, because it can be changed into another prime (673469803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336734921 + 336734922.

It is an arithmetic number, because the mean of its divisors is an integer number (336734922).

Almost surely, 2^673469843 is an apocalyptic number.

673469843 is a deficient number, since it is larger than the sum of its proper divisors (1).

673469843 is an equidigital number, since it uses as much as digits as its factorization.

673469843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 50.

The square root of 673469843 is about 25951.2975205480. The cubic root of 673469843 is about 876.5419745997.

The spelling of 673469843 in words is "six hundred seventy-three million, four hundred sixty-nine thousand, eight hundred forty-three".