10938881497 has 2 divisors, whose sum is σ = 10938881498. Its totient is φ = 10938881496.

The previous prime is 10938881477. The next prime is 10938881531. The reversal of 10938881497 is 79418883901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6617659801 + 4321221696 = 81349^2 + 65736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10938881497 is a prime.

It is a super-2 number, since 2×10938881497² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10938881477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5469440748 + 5469440749.

It is an arithmetic number, because the mean of its divisors is an integer number (5469440749).

Almost surely, 2^10938881497 is an apocalyptic number.

It is an amenable number.

10938881497 is a deficient number, since it is larger than the sum of its proper divisors (1).

10938881497 is an equidigital number, since it uses as much as digits as its factorization.

10938881497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 10938881497 in words is "ten billion, nine hundred thirty-eight million, eight hundred eighty-one thousand, four hundred ninety-seven".