10961042993 has 2 divisors, whose sum is σ = 10961042994. Its totient is φ = 10961042992.

The previous prime is 10961042947. The next prime is 10961043073. The reversal of 10961042993 is 39924016901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8658674704 + 2302368289 = 93052^2 + 47983^2 .

It is a cyclic number.

It is not a de Polignac number, because 10961042993 - 2²⁸ = 10692607537 is a prime.

It is not a weakly prime, because it can be changed into another prime (10961042903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5480521496 + 5480521497.

It is an arithmetic number, because the mean of its divisors is an integer number (5480521497).

Almost surely, 2^10961042993 is an apocalyptic number.

It is an amenable number.

10961042993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10961042993 is an equidigital number, since it uses as much as digits as its factorization.

10961042993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 10961042993 in words is "ten billion, nine hundred sixty-one million, forty-two thousand, nine hundred ninety-three".