10516978973 has 2 divisors, whose sum is σ = 10516978974. Its totient is φ = 10516978972.

The previous prime is 10516978903. The next prime is 10516978999. The reversal of 10516978973 is 37987961501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10480231129 + 36747844 = 102373^2 + 6062^2 .

It is a cyclic number.

It is not a de Polignac number, because 10516978973 - 2¹⁰ = 10516977949 is a prime.

It is a super-2 number, since 2×10516978973² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10516978903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5258489486 + 5258489487.

It is an arithmetic number, because the mean of its divisors is an integer number (5258489487).

Almost surely, 2^10516978973 is an apocalyptic number.

It is an amenable number.

10516978973 is a deficient number, since it is larger than the sum of its proper divisors (1).

10516978973 is an equidigital number, since it uses as much as digits as its factorization.

10516978973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2857680, while the sum is 56.

The spelling of 10516978973 in words is "ten billion, five hundred sixteen million, nine hundred seventy-eight thousand, nine hundred seventy-three".