10516617989 has 2 divisors, whose sum is σ = 10516617990. Its totient is φ = 10516617988.

The previous prime is 10516617977. The next prime is 10516618001. The reversal of 10516617989 is 98971661501.

It is a balanced prime because it is at equal distance from previous prime (10516617977) and next prime (10516618001).

It can be written as a sum of positive squares in only one way, i.e., 10222221025 + 294396964 = 101105^2 + 17158^2 .

It is a cyclic number.

It is not a de Polignac number, because 10516617989 - 2²⁰ = 10515569413 is a prime.

It is a super-2 number, since 2×10516617989² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10516617989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10516617959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5258308994 + 5258308995.

It is an arithmetic number, because the mean of its divisors is an integer number (5258308995).

Almost surely, 2^10516617989 is an apocalyptic number.

It is an amenable number.

10516617989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10516617989 is an equidigital number, since it uses as much as digits as its factorization.

10516617989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 53.

The spelling of 10516617989 in words is "ten billion, five hundred sixteen million, six hundred seventeen thousand, nine hundred eighty-nine".