10649743970689 has 2 divisors, whose sum is σ = 10649743970690. Its totient is φ = 10649743970688.

The previous prime is 10649743970639. The next prime is 10649743970729. The reversal of 10649743970689 is 98607934794601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7602041552400 + 3047702418289 = 2757180^2 + 1745767^2 .

It is a cyclic number.

It is not a de Polignac number, because 10649743970689 - 2²⁹ = 10649207099777 is a prime.

It is a super-2 number, since 2×10649743970689² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10649743970639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5324871985344 + 5324871985345.

It is an arithmetic number, because the mean of its divisors is an integer number (5324871985345).

Almost surely, 2^{10649743970689} is an apocalyptic number.

It is an amenable number.

10649743970689 is a deficient number, since it is larger than the sum of its proper divisors (1).

10649743970689 is an equidigital number, since it uses as much as digits as its factorization.

10649743970689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493807104, while the sum is 73.

The spelling of 10649743970689 in words is "ten trillion, six hundred forty-nine billion, seven hundred forty-three million, nine hundred seventy thousand, six hundred eighty-nine".