1773968069 has 4 divisors (see below), whose sum is σ = 1774918080. Its totient is φ = 1773018060.

The previous prime is 1773968059. The next prime is 1773968089. The reversal of 1773968069 is 9608693771.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1773968069 - 2¹² = 1773963973 is a prime.

It is a super-2 number, since 2×1773968069² = 6293925419663177522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1773968029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472199 + ... + 475940.

It is an arithmetic number, because the mean of its divisors is an integer number (443729520).

Almost surely, 2^1773968069 is an apocalyptic number.

It is an amenable number.

1773968069 is a deficient number, since it is larger than the sum of its proper divisors (950011).

1773968069 is an equidigital number, since it uses as much as digits as its factorization.

1773968069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950010.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 1773968069 is about 42118.5003175564. The cubic root of 1773968069 is about 1210.5477721555.

The spelling of 1773968069 in words is "one billion, seven hundred seventy-three million, nine hundred sixty-eight thousand, sixty-nine".