3650452781 has 2 divisors, whose sum is σ = 3650452782. Its totient is φ = 3650452780.

The previous prime is 3650452739. The next prime is 3650452783. The reversal of 3650452781 is 1872540563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3586931881 + 63520900 = 59891^2 + 7970^2 .

It is an emirp because it is prime and its reverse (1872540563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3650452781 - 2²⁶ = 3583343917 is a prime.

It is a super-2 number, since 2×3650452781² = 26651611012621267922, which contains 22 as substring.

Together with 3650452783, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3650452783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825226390 + 1825226391.

It is an arithmetic number, because the mean of its divisors is an integer number (1825226391).

Almost surely, 2^3650452781 is an apocalyptic number.

It is an amenable number.

3650452781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3650452781 is an equidigital number, since it uses as much as digits as its factorization.

3650452781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 3650452781 is about 60418.9769939876. The cubic root of 3650452781 is about 1539.7453872931.

The spelling of 3650452781 in words is "three billion, six hundred fifty million, four hundred fifty-two thousand, seven hundred eighty-one".