14031705661 has 2 divisors, whose sum is σ = 14031705662. Its totient is φ = 14031705660.

The previous prime is 14031705641. The next prime is 14031705671. The reversal of 14031705661 is 16650713041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7973418436 + 6058287225 = 89294^2 + 77835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14031705661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14031705601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7015852830 + 7015852831.

It is an arithmetic number, because the mean of its divisors is an integer number (7015852831).

Almost surely, 2^14031705661 is an apocalyptic number.

It is an amenable number.

14031705661 is a deficient number, since it is larger than the sum of its proper divisors (1).

14031705661 is an equidigital number, since it uses as much as digits as its factorization.

14031705661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 14031705661 in words is "fourteen billion, thirty-one million, seven hundred five thousand, six hundred sixty-one".