5164362421 has 2 divisors, whose sum is σ = 5164362422. Its totient is φ = 5164362420.

The previous prime is 5164362407. The next prime is 5164362449. The reversal of 5164362421 is 1242634615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4527809521 + 636552900 = 67289^2 + 25230^2 .

It is a cyclic number.

It is not a de Polignac number, because 5164362421 - 2¹¹ = 5164360373 is a prime.

It is a super-3 number, since 3×5164362421³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5164362451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582181210 + 2582181211.

It is an arithmetic number, because the mean of its divisors is an integer number (2582181211).

Almost surely, 2^5164362421 is an apocalyptic number.

It is an amenable number.

5164362421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5164362421 is an equidigital number, since it uses as much as digits as its factorization.

5164362421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 5164362421 is about 71863.4985301996. The cubic root of 5164362421 is about 1728.5113572077.

The spelling of 5164362421 in words is "five billion, one hundred sixty-four million, three hundred sixty-two thousand, four hundred twenty-one".