1673197803 has 10 divisors (see below), whose sum is σ = 2499468444. Its totient is φ = 1115465148.

The previous prime is 1673197793. The next prime is 1673197819. The reversal of 1673197803 is 3087913761.

It is not a de Polignac number, because 1673197803 - 2¹³ = 1673189611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1673127803) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10328301 + ... + 10328462.

Almost surely, 2^1673197803 is an apocalyptic number.

1673197803 is a deficient number, since it is larger than the sum of its proper divisors (826270641).

1673197803 is an equidigital number, since it uses as much as digits as its factorization.

1673197803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20656775 (or 20656766 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1673197803 is about 40904.7405932369. The cubic root of 1673197803 is about 1187.1777866033.

The spelling of 1673197803 in words is "one billion, six hundred seventy-three million, one hundred ninety-seven thousand, eight hundred three".