5389120421 has 2 divisors, whose sum is σ = 5389120422. Its totient is φ = 5389120420.

The previous prime is 5389120417. The next prime is 5389120427. The reversal of 5389120421 is 1240219835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2818123396 + 2570997025 = 53086^2 + 50705^2 .

It is a cyclic number.

It is not a de Polignac number, because 5389120421 - 2² = 5389120417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5389120427) 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, 2694560210 + 2694560211.

It is an arithmetic number, because the mean of its divisors is an integer number (2694560211).

Almost surely, 2^5389120421 is an apocalyptic number.

It is an amenable number.

5389120421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5389120421 is an equidigital number, since it uses as much as digits as its factorization.

5389120421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 5389120421 is about 73410.6288012846. The cubic root of 5389120421 is about 1753.2316255110.

The spelling of 5389120421 in words is "five billion, three hundred eighty-nine million, one hundred twenty thousand, four hundred twenty-one".