10676999681 has 2 divisors, whose sum is σ = 10676999682. Its totient is φ = 10676999680.

The previous prime is 10676999677. The next prime is 10676999693. The reversal of 10676999681 is 18699967601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5379489025 + 5297510656 = 73345^2 + 72784^2 .

It is a cyclic number.

It is not a de Polignac number, because 10676999681 - 2² = 10676999677 is a prime.

It is a super-2 number, since 2×10676999681² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10676999611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5338499840 + 5338499841.

It is an arithmetic number, because the mean of its divisors is an integer number (5338499841).

Almost surely, 2^10676999681 is an apocalyptic number.

It is an amenable number.

10676999681 is a deficient number, since it is larger than the sum of its proper divisors (1).

10676999681 is an equidigital number, since it uses as much as digits as its factorization.

10676999681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8817984, while the sum is 62.

The spelling of 10676999681 in words is "ten billion, six hundred seventy-six million, nine hundred ninety-nine thousand, six hundred eighty-one".