3750014608661 has 2 divisors, whose sum is σ = 3750014608662. Its totient is φ = 3750014608660.

The previous prime is 3750014608609. The next prime is 3750014608721. The reversal of 3750014608661 is 1668064100573.

3750014608661 is digitally balanced in base 2, 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., 3716779131025 + 33235477636 = 1927895^2 + 182306^2 .

It is a cyclic number.

It is not a de Polignac number, because 3750014608661 - 2⁶ = 3750014608597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3750014608261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875007304330 + 1875007304331.

It is an arithmetic number, because the mean of its divisors is an integer number (1875007304331).

Almost surely, 2^{3750014608661} is an apocalyptic number.

It is an amenable number.

3750014608661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3750014608661 is an equidigital number, since it uses as much as digits as its factorization.

3750014608661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 3750014608661 in words is "three trillion, seven hundred fifty billion, fourteen million, six hundred eight thousand, six hundred sixty-one".