53210631644069 has 2 divisors, whose sum is σ = 53210631644070. Its totient is φ = 53210631644068.

The previous prime is 53210631644063. The next prime is 53210631644087. The reversal of 53210631644069 is 96044613601235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41146297753444 + 12064333890625 = 6414538^2 + 3473375^2 .

It is a cyclic number.

It is not a de Polignac number, because 53210631644069 - 2¹² = 53210631639973 is a prime.

It is a super-2 number, since 2×53210631644069² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53210631644063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26605315822034 + 26605315822035.

It is an arithmetic number, because the mean of its divisors is an integer number (26605315822035).

Almost surely, 2^{53210631644069} is an apocalyptic number.

It is an amenable number.

53210631644069 is a deficient number, since it is larger than the sum of its proper divisors (1).

53210631644069 is an equidigital number, since it uses as much as digits as its factorization.

53210631644069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 53210631644069 in words is "fifty-three trillion, two hundred ten billion, six hundred thirty-one million, six hundred forty-four thousand, sixty-nine".