1773481343 has 4 divisors (see below), whose sum is σ = 1783389240. Its totient is φ = 1763573448.

The previous prime is 1773481319. The next prime is 1773481351. The reversal of 1773481343 is 3431843771.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3431843771 = 17 ⋅201873163.

It is a cyclic number.

It is not a de Polignac number, because 1773481343 - 2⁶ = 1773481279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1773481343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1773481393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4953680 + ... + 4954037.

It is an arithmetic number, because the mean of its divisors is an integer number (445847310).

Almost surely, 2^1773481343 is an apocalyptic number.

1773481343 is a deficient number, since it is larger than the sum of its proper divisors (9907897).

1773481343 is an equidigital number, since it uses as much as digits as its factorization.

1773481343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9907896.

The product of its digits is 169344, while the sum is 41.

The square root of 1773481343 is about 42112.7218664384. The cubic root of 1773481343 is about 1210.4370488227.

The spelling of 1773481343 in words is "one billion, seven hundred seventy-three million, four hundred eighty-one thousand, three hundred forty-three".