53963417609 has 2 divisors, whose sum is σ = 53963417610. Its totient is φ = 53963417608.

The previous prime is 53963417569. The next prime is 53963417633. The reversal of 53963417609 is 90671436935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53858805625 + 104611984 = 232075^2 + 10228^2 .

It is a cyclic number.

It is not a de Polignac number, because 53963417609 - 2²⁰ = 53962369033 is a prime.

It is not a weakly prime, because it can be changed into another prime (53963417699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26981708804 + 26981708805.

It is an arithmetic number, because the mean of its divisors is an integer number (26981708805).

Almost surely, 2^53963417609 is an apocalyptic number.

It is an amenable number.

53963417609 is a deficient number, since it is larger than the sum of its proper divisors (1).

53963417609 is an equidigital number, since it uses as much as digits as its factorization.

53963417609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 53.

The spelling of 53963417609 in words is "fifty-three billion, nine hundred sixty-three million, four hundred seventeen thousand, six hundred nine".