673831619 has 2 divisors, whose sum is σ = 673831620. Its totient is φ = 673831618.

The previous prime is 673831607. The next prime is 673831633. The reversal of 673831619 is 916138376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673831619 - 2⁴ = 673831603 is a prime.

It is a super-2 number, since 2×673831619² = 908098101528322322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 673831619.

It is not a weakly prime, because it can be changed into another prime (673831699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336915809 + 336915810.

It is an arithmetic number, because the mean of its divisors is an integer number (336915810).

Almost surely, 2^673831619 is an apocalyptic number.

673831619 is a deficient number, since it is larger than the sum of its proper divisors (1).

673831619 is an equidigital number, since it uses as much as digits as its factorization.

673831619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 673831619 is about 25958.2668720390. The cubic root of 673831619 is about 876.6989007474.

The spelling of 673831619 in words is "six hundred seventy-three million, eight hundred thirty-one thousand, six hundred nineteen".