3650997761 has 2 divisors, whose sum is σ = 3650997762. Its totient is φ = 3650997760.

The previous prime is 3650997739. The next prime is 3650997781. The reversal of 3650997761 is 1677990563.

It is a happy number.

3650997761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3642846736 + 8151025 = 60356^2 + 2855^2 .

It is an emirp because it is prime and its reverse (1677990563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3650997761 - 2¹⁴ = 3650981377 is a prime.

It is a super-4 number, since 4×3650997761⁴ (a number of 39 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (3650997781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825498880 + 1825498881.

It is an arithmetic number, because the mean of its divisors is an integer number (1825498881).

Almost surely, 2^3650997761 is an apocalyptic number.

It is an amenable number.

3650997761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3650997761 is an equidigital number, since it uses as much as digits as its factorization.

3650997761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2143260, while the sum is 53.

The square root of 3650997761 is about 60423.4868325223. The cubic root of 3650997761 is about 1539.8220068922.

The spelling of 3650997761 in words is "three billion, six hundred fifty million, nine hundred ninety-seven thousand, seven hundred sixty-one".