3640413616297 has 2 divisors, whose sum is σ = 3640413616298. Its totient is φ = 3640413616296.

The previous prime is 3640413616291. The next prime is 3640413616339. The reversal of 3640413616297 is 7926163140463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1949851969641 + 1690561646656 = 1396371^2 + 1300216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3640413616297 is a prime.

It is a super-2 number, since 2×3640413616297² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3640413616291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820206808148 + 1820206808149.

It is an arithmetic number, because the mean of its divisors is an integer number (1820206808149).

Almost surely, 2^{3640413616297} is an apocalyptic number.

It is an amenable number.

3640413616297 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640413616297 is an equidigital number, since it uses as much as digits as its factorization.

3640413616297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 3640413616297 in words is "three trillion, six hundred forty billion, four hundred thirteen million, six hundred sixteen thousand, two hundred ninety-seven".