10697983743509 has 2 divisors, whose sum is σ = 10697983743510. Its totient is φ = 10697983743508.

The previous prime is 10697983743493. The next prime is 10697983743593. The reversal of 10697983743509 is 90534738979601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10697772855025 + 210888484 = 3270745^2 + 14522^2 .

It is a cyclic number.

It is not a de Polignac number, because 10697983743509 - 2⁴ = 10697983743493 is a prime.

It is a super-2 number, since 2×10697983743509² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10697983743709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5348991871754 + 5348991871755.

It is an arithmetic number, because the mean of its divisors is an integer number (5348991871755).

Almost surely, 2^{10697983743509} is an apocalyptic number.

It is an amenable number.

10697983743509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10697983743509 is an equidigital number, since it uses as much as digits as its factorization.

10697983743509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 308629440, while the sum is 71.

The spelling of 10697983743509 in words is "ten trillion, six hundred ninety-seven billion, nine hundred eighty-three million, seven hundred forty-three thousand, five hundred nine".