3750866486657 has 2 divisors, whose sum is σ = 3750866486658. Its totient is φ = 3750866486656.

The previous prime is 3750866486599. The next prime is 3750866486659. The reversal of 3750866486657 is 7566846680573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2905930493041 + 844935993616 = 1704679^2 + 919204^2 .

It is a cyclic number.

It is not a de Polignac number, because 3750866486657 - 2¹⁰ = 3750866485633 is a prime.

Together with 3750866486659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3750866486659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875433243328 + 1875433243329.

It is an arithmetic number, because the mean of its divisors is an integer number (1875433243329).

Almost surely, 2^{3750866486657} is an apocalyptic number.

It is an amenable number.

3750866486657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3750866486657 is an equidigital number, since it uses as much as digits as its factorization.

3750866486657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1219276800, while the sum is 71.

The spelling of 3750866486657 in words is "three trillion, seven hundred fifty billion, eight hundred sixty-six million, four hundred eighty-six thousand, six hundred fifty-seven".