10997683217 has 2 divisors, whose sum is σ = 10997683218. Its totient is φ = 10997683216.

The previous prime is 10997683211. The next prime is 10997683241. The reversal of 10997683217 is 71238679901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8493281281 + 2504401936 = 92159^2 + 50044^2 .

It is a cyclic number.

It is not a de Polignac number, because 10997683217 - 2⁴ = 10997683201 is a prime.

It is a super-2 number, since 2×10997683217² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10997683211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5498841608 + 5498841609.

It is an arithmetic number, because the mean of its divisors is an integer number (5498841609).

Almost surely, 2^10997683217 is an apocalyptic number.

It is an amenable number.

10997683217 is a deficient number, since it is larger than the sum of its proper divisors (1).

10997683217 is an equidigital number, since it uses as much as digits as its factorization.

10997683217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 10997683217 in words is "ten billion, nine hundred ninety-seven million, six hundred eighty-three thousand, two hundred seventeen".