4361221773 has 6 divisors (see below), whose sum is σ = 6299542574. Its totient is φ = 2907481176.

The previous prime is 4361221771. The next prime is 4361221849. The reversal of 4361221773 is 3771221634.

4361221773 is a `hidden beast` number, since 4 + 361 + 221 + 7 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4343732649 + 17489124 = 65907^2 + 4182^2 .

It is not a de Polignac number, because 4361221773 - 2¹ = 4361221771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4361221771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 242290090 + ... + 242290107.

Almost surely, 2^4361221773 is an apocalyptic number.

It is an amenable number.

4361221773 is a deficient number, since it is larger than the sum of its proper divisors (1938320801).

4361221773 is a wasteful number, since it uses less digits than its factorization.

4361221773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484580203 (or 484580200 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 4361221773 is about 66039.5470381195. The cubic root of 4361221773 is about 1633.8144164392.

The spelling of 4361221773 in words is "four billion, three hundred sixty-one million, two hundred twenty-one thousand, seven hundred seventy-three".