3650997773 has 4 divisors (see below), whose sum is σ = 3651489468. Its totient is φ = 3650506080.

The previous prime is 3650997761. The next prime is 3650997781. The reversal of 3650997773 is 3777990563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1165676164 + 2485321609 = 34142^2 + 49853^2 .

It is a cyclic number.

It is not a de Polignac number, because 3650997773 - 2¹⁰ = 3650996749 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 (3650997073) 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, 234536 + ... + 249617.

It is an arithmetic number, because the mean of its divisors is an integer number (912872367).

Almost surely, 2^3650997773 is an apocalyptic number.

It is an amenable number.

3650997773 is a deficient number, since it is larger than the sum of its proper divisors (491695).

3650997773 is an equidigital number, since it uses as much as digits as its factorization.

3650997773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491694.

The product of its (nonzero) digits is 7501410, while the sum is 56.

The square root of 3650997773 is about 60423.4869318215. The cubic root of 3650997773 is about 1539.8220085793.

The spelling of 3650997773 in words is "three billion, six hundred fifty million, nine hundred ninety-seven thousand, seven hundred seventy-three".