5353388021389 has 2 divisors, whose sum is σ = 5353388021390. Its totient is φ = 5353388021388.

The previous prime is 5353388021381. The next prime is 5353388021419. The reversal of 5353388021389 is 9831208833535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3984155721225 + 1369232300164 = 1996035^2 + 1170142^2 .

It is a cyclic number.

It is not a de Polignac number, because 5353388021389 - 2³ = 5353388021381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5353388021381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2676694010694 + 2676694010695.

It is an arithmetic number, because the mean of its divisors is an integer number (2676694010695).

Almost surely, 2^{5353388021389} is an apocalyptic number.

It is an amenable number.

5353388021389 is a deficient number, since it is larger than the sum of its proper divisors (1).

5353388021389 is an equidigital number, since it uses as much as digits as its factorization.

5353388021389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 5353388021389 in words is "five trillion, three hundred fifty-three billion, three hundred eighty-eight million, twenty-one thousand, three hundred eighty-nine".