3651272773 has 2 divisors, whose sum is σ = 3651272774. Its totient is φ = 3651272772.

The previous prime is 3651272771. The next prime is 3651272777. The reversal of 3651272773 is 3772721563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3242505249 + 408767524 = 56943^2 + 20218^2 .

It is a cyclic number.

It is not a de Polignac number, because 3651272773 - 2¹ = 3651272771 is a prime.

It is a super-2 number, since 2×3651272773² = 26663585725702219058, which contains 22 as substring.

Together with 3651272771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3651272771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825636386 + 1825636387.

It is an arithmetic number, because the mean of its divisors is an integer number (1825636387).

Almost surely, 2^3651272773 is an apocalyptic number.

It is an amenable number.

3651272773 is a deficient number, since it is larger than the sum of its proper divisors (1).

3651272773 is an equidigital number, since it uses as much as digits as its factorization.

3651272773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370440, while the sum is 43.

The square root of 3651272773 is about 60425.7624941548. The cubic root of 3651272773 is about 1539.8606683692.

The spelling of 3651272773 in words is "three billion, six hundred fifty-one million, two hundred seventy-two thousand, seven hundred seventy-three".