10958493661 has 2 divisors, whose sum is σ = 10958493662. Its totient is φ = 10958493660.

The previous prime is 10958493649. The next prime is 10958493677. The reversal of 10958493661 is 16639485901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7802188900 + 3156304761 = 88330^2 + 56181^2 .

It is an emirp because it is prime and its reverse (16639485901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10958493661 - 2⁵ = 10958493629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10958493599 and 10958493608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10958493761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5479246830 + 5479246831.

It is an arithmetic number, because the mean of its divisors is an integer number (5479246831).

Almost surely, 2^10958493661 is an apocalyptic number.

It is an amenable number.

10958493661 is a deficient number, since it is larger than the sum of its proper divisors (1).

10958493661 is an equidigital number, since it uses as much as digits as its factorization.

10958493661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 10958493661 in words is "ten billion, nine hundred fifty-eight million, four hundred ninety-three thousand, six hundred sixty-one".