10500523993 has 2 divisors, whose sum is σ = 10500523994. Its totient is φ = 10500523992.

The previous prime is 10500523967. The next prime is 10500524051. The reversal of 10500523993 is 39932500501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9248284224 + 1252239769 = 96168^2 + 35387^2 .

It is a cyclic number.

It is not a de Polignac number, because 10500523993 - 2⁵ = 10500523961 is a prime.

It is a super-2 number, since 2×10500523993² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10500523903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250261996 + 5250261997.

It is an arithmetic number, because the mean of its divisors is an integer number (5250261997).

Almost surely, 2^10500523993 is an apocalyptic number.

It is an amenable number.

10500523993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500523993 is an equidigital number, since it uses as much as digits as its factorization.

10500523993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 37.

The spelling of 10500523993 in words is "ten billion, five hundred million, five hundred twenty-three thousand, nine hundred ninety-three".