3804564650657 has 2 divisors, whose sum is σ = 3804564650658. Its totient is φ = 3804564650656.

The previous prime is 3804564650651. The next prime is 3804564650701. The reversal of 3804564650657 is 7560564654083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1939220568481 + 1865344082176 = 1392559^2 + 1365776^2 .

It is a cyclic number.

It is not a de Polignac number, because 3804564650657 - 2⁴ = 3804564650641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3804564650596 and 3804564650605.

It is not a weakly prime, because it can be changed into another prime (3804564650651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902282325328 + 1902282325329.

It is an arithmetic number, because the mean of its divisors is an integer number (1902282325329).

Almost surely, 2^{3804564650657} is an apocalyptic number.

It is an amenable number.

3804564650657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3804564650657 is an equidigital number, since it uses as much as digits as its factorization.

3804564650657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576000, while the sum is 59.

The spelling of 3804564650657 in words is "three trillion, eight hundred four billion, five hundred sixty-four million, six hundred fifty thousand, six hundred fifty-seven".