2345593660649 has 2 divisors, whose sum is σ = 2345593660650. Its totient is φ = 2345593660648.

The previous prime is 2345593660549. The next prime is 2345593660703. The reversal of 2345593660649 is 9460663955432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1256820366400 + 1088773294249 = 1121080^2 + 1043443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2345593660649 is a prime.

It is a super-2 number, since 2×2345593660649² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2345593660591 and 2345593660600.

It is not a weakly prime, because it can be changed into another prime (2345593660549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172796830324 + 1172796830325.

It is an arithmetic number, because the mean of its divisors is an integer number (1172796830325).

Almost surely, 2^{2345593660649} is an apocalyptic number.

It is an amenable number.

2345593660649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345593660649 is an equidigital number, since it uses as much as digits as its factorization.

2345593660649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125971200, while the sum is 62.

The spelling of 2345593660649 in words is "two trillion, three hundred forty-five billion, five hundred ninety-three million, six hundred sixty thousand, six hundred forty-nine".