53019216629 has 2 divisors, whose sum is σ = 53019216630. Its totient is φ = 53019216628.

The previous prime is 53019216619. The next prime is 53019216671. The reversal of 53019216629 is 92661291035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43687270225 + 9331946404 = 209015^2 + 96602^2 .

It is a cyclic number.

It is not a de Polignac number, because 53019216629 - 2⁸ = 53019216373 is a prime.

It is a super-2 number, since 2×53019216629² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53019216629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53019216619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26509608314 + 26509608315.

It is an arithmetic number, because the mean of its divisors is an integer number (26509608315).

Almost surely, 2^53019216629 is an apocalyptic number.

It is an amenable number.

53019216629 is a deficient number, since it is larger than the sum of its proper divisors (1).

53019216629 is an equidigital number, since it uses as much as digits as its factorization.

53019216629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 53019216629 in words is "fifty-three billion, nineteen million, two hundred sixteen thousand, six hundred twenty-nine".