10717337921 has 2 divisors, whose sum is σ = 10717337922. Its totient is φ = 10717337920.

The previous prime is 10717337881. The next prime is 10717337927. The reversal of 10717337921 is 12973371701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10668617521 + 48720400 = 103289^2 + 6980^2 .

It is an emirp because it is prime and its reverse (12973371701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10717337921 is a prime.

It is a super-2 number, since 2×10717337921² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10717337927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5358668960 + 5358668961.

It is an arithmetic number, because the mean of its divisors is an integer number (5358668961).

Almost surely, 2^10717337921 is an apocalyptic number.

It is an amenable number.

10717337921 is a deficient number, since it is larger than the sum of its proper divisors (1).

10717337921 is an equidigital number, since it uses as much as digits as its factorization.

10717337921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55566, while the sum is 41.

The spelling of 10717337921 in words is "ten billion, seven hundred seventeen million, three hundred thirty-seven thousand, nine hundred twenty-one".