5487398321 has 2 divisors, whose sum is σ = 5487398322. Its totient is φ = 5487398320.

The previous prime is 5487398291. The next prime is 5487398353. The reversal of 5487398321 is 1238937845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3073150096 + 2414248225 = 55436^2 + 49135^2 .

It is a cyclic number.

It is not a de Polignac number, because 5487398321 - 2¹⁴ = 5487381937 is a prime.

It is a super-2 number, since 2×5487398321² = 60223080666627238082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5487398321.

It is not a weakly prime, because it can be changed into another prime (5487398921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2743699160 + 2743699161.

It is an arithmetic number, because the mean of its divisors is an integer number (2743699161).

Almost surely, 2^5487398321 is an apocalyptic number.

It is an amenable number.

5487398321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5487398321 is an equidigital number, since it uses as much as digits as its factorization.

5487398321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 5487398321 is about 74076.9756469579. The cubic root of 5487398321 is about 1763.8250059291.

The spelling of 5487398321 in words is "five billion, four hundred eighty-seven million, three hundred ninety-eight thousand, three hundred twenty-one".