9953861453 has 2 divisors, whose sum is σ = 9953861454. Its totient is φ = 9953861452.

The previous prime is 9953861443. The next prime is 9953861507. The reversal of 9953861453 is 3541683599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5567845924 + 4386015529 = 74618^2 + 66227^2 .

It is a cyclic number.

It is not a de Polignac number, because 9953861453 - 2⁶ = 9953861389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9953861395 and 9953861404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9953861443) 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, 4976930726 + 4976930727.

It is an arithmetic number, because the mean of its divisors is an integer number (4976930727).

Almost surely, 2^9953861453 is an apocalyptic number.

It is an amenable number.

9953861453 is a deficient number, since it is larger than the sum of its proper divisors (1).

9953861453 is an equidigital number, since it uses as much as digits as its factorization.

9953861453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3499200, while the sum is 53.

The square root of 9953861453 is about 99769.0405536708. The cubic root of 9953861453 is about 2151.1161648491.

The spelling of 9953861453 in words is "nine billion, nine hundred fifty-three million, eight hundred sixty-one thousand, four hundred fifty-three".