673044419 has 2 divisors, whose sum is σ = 673044420. Its totient is φ = 673044418.

The previous prime is 673044409. The next prime is 673044443. The reversal of 673044419 is 914440376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673044419 - 2²⁰ = 671995843 is a prime.

It is a super-2 number, since 2×673044419² = 905977579894095122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (673044409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336522209 + 336522210.

It is an arithmetic number, because the mean of its divisors is an integer number (336522210).

Almost surely, 2^673044419 is an apocalyptic number.

673044419 is a deficient number, since it is larger than the sum of its proper divisors (1).

673044419 is an equidigital number, since it uses as much as digits as its factorization.

673044419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 673044419 is about 25943.0996413304. The cubic root of 673044419 is about 876.3573681946.

The spelling of 673044419 in words is "six hundred seventy-three million, forty-four thousand, four hundred nineteen".