53331636829 has 2 divisors, whose sum is σ = 53331636830. Its totient is φ = 53331636828.

The previous prime is 53331636821. The next prime is 53331636881. The reversal of 53331636829 is 92863613335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53267716804 + 63920025 = 230798^2 + 7995^2 .

It is a cyclic number.

It is not a de Polignac number, because 53331636829 - 2³ = 53331636821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53331636821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26665818414 + 26665818415.

It is an arithmetic number, because the mean of its divisors is an integer number (26665818415).

Almost surely, 2^53331636829 is an apocalyptic number.

It is an amenable number.

53331636829 is a deficient number, since it is larger than the sum of its proper divisors (1).

53331636829 is an equidigital number, since it uses as much as digits as its factorization.

53331636829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 49.

The spelling of 53331636829 in words is "fifty-three billion, three hundred thirty-one million, six hundred thirty-six thousand, eight hundred twenty-nine".