1673274563 has 2 divisors, whose sum is σ = 1673274564. Its totient is φ = 1673274562.

The previous prime is 1673274517. The next prime is 1673274583. The reversal of 1673274563 is 3654723761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1673274563 - 2²⁰ = 1672225987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1673274583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836637281 + 836637282.

It is an arithmetic number, because the mean of its divisors is an integer number (836637282).

Almost surely, 2^1673274563 is an apocalyptic number.

1673274563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673274563 is an equidigital number, since it uses as much as digits as its factorization.

1673274563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 44.

The square root of 1673274563 is about 40905.6788600312. The cubic root of 1673274563 is about 1187.1959407377.

The spelling of 1673274563 in words is "one billion, six hundred seventy-three million, two hundred seventy-four thousand, five hundred sixty-three".