53410666321 has 2 divisors, whose sum is σ = 53410666322. Its totient is φ = 53410666320.

The previous prime is 53410666307. The next prime is 53410666349. The reversal of 53410666321 is 12366601435.

53410666321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45757915921 + 7652750400 = 213911^2 + 87480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53410666321 is a prime.

It is not a weakly prime, because it can be changed into another prime (53410666391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26705333160 + 26705333161.

It is an arithmetic number, because the mean of its divisors is an integer number (26705333161).

Almost surely, 2^53410666321 is an apocalyptic number.

It is an amenable number.

53410666321 is a deficient number, since it is larger than the sum of its proper divisors (1).

53410666321 is an equidigital number, since it uses as much as digits as its factorization.

53410666321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 53410666321 in words is "fifty-three billion, four hundred ten million, six hundred sixty-six thousand, three hundred twenty-one".