3640775741 has 2 divisors, whose sum is σ = 3640775742. Its totient is φ = 3640775740.

The previous prime is 3640775737. The next prime is 3640775753. The reversal of 3640775741 is 1475770463.

3640775741 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3363420025 + 277355716 = 57995^2 + 16654^2 .

It is a cyclic number.

It is not a de Polignac number, because 3640775741 - 2² = 3640775737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3640775692 and 3640775701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3640775141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820387870 + 1820387871.

It is an arithmetic number, because the mean of its divisors is an integer number (1820387871).

Almost surely, 2^3640775741 is an apocalyptic number.

It is an amenable number.

3640775741 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640775741 is an equidigital number, since it uses as much as digits as its factorization.

3640775741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 44.

The square root of 3640775741 is about 60338.8410644421. The cubic root of 3640775741 is about 1538.3836052174.

The spelling of 3640775741 in words is "three billion, six hundred forty million, seven hundred seventy-five thousand, seven hundred forty-one".