1673264993 has 2 divisors, whose sum is σ = 1673264994. Its totient is φ = 1673264992.

The previous prime is 1673264987. The next prime is 1673265043. The reversal of 1673264993 is 3994623761.

It is an a-pointer prime, because the next prime (1673265043) can be obtained adding 1673264993 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1645681489 + 27583504 = 40567^2 + 5252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1673264993 - 2⁸ = 1673264737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1673266993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836632496 + 836632497.

It is an arithmetic number, because the mean of its divisors is an integer number (836632497).

Almost surely, 2^1673264993 is an apocalyptic number.

It is an amenable number.

1673264993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673264993 is an equidigital number, since it uses as much as digits as its factorization.

1673264993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 50.

The square root of 1673264993 is about 40905.5618834407. The cubic root of 1673264993 is about 1187.1936774138.

The spelling of 1673264993 in words is "one billion, six hundred seventy-three million, two hundred sixty-four thousand, nine hundred ninety-three".