10520315633 has 2 divisors, whose sum is σ = 10520315634. Its totient is φ = 10520315632.

The previous prime is 10520315579. The next prime is 10520315693. The reversal of 10520315633 is 33651302501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10062697969 + 457617664 = 100313^2 + 21392^2 .

It is an emirp because it is prime and its reverse (33651302501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10520315633 - 2²⁶ = 10453206769 is a prime.

It is a super-2 number, since 2×10520315633² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10520315596 and 10520315605.

It is not a weakly prime, because it can be changed into another prime (10520315693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260157816 + 5260157817.

It is an arithmetic number, because the mean of its divisors is an integer number (5260157817).

Almost surely, 2^10520315633 is an apocalyptic number.

It is an amenable number.

10520315633 is a deficient number, since it is larger than the sum of its proper divisors (1).

10520315633 is an equidigital number, since it uses as much as digits as its factorization.

10520315633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 29.

The spelling of 10520315633 in words is "ten billion, five hundred twenty million, three hundred fifteen thousand, six hundred thirty-three".