53390847346829 has 2 divisors, whose sum is σ = 53390847346830. Its totient is φ = 53390847346828.

The previous prime is 53390847346807. The next prime is 53390847346847. The reversal of 53390847346829 is 92864374809335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51835651291204 + 1555196055625 = 7199698^2 + 1247075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53390847346829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53390847376829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26695423673414 + 26695423673415.

It is an arithmetic number, because the mean of its divisors is an integer number (26695423673415).

Almost surely, 2^{53390847346829} is an apocalyptic number.

It is an amenable number.

53390847346829 is a deficient number, since it is larger than the sum of its proper divisors (1).

53390847346829 is an equidigital number, since it uses as much as digits as its factorization.

53390847346829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 940584960, while the sum is 71.

The spelling of 53390847346829 in words is "fifty-three trillion, three hundred ninety billion, eight hundred forty-seven million, three hundred forty-six thousand, eight hundred twenty-nine".