5599494421 has 2 divisors, whose sum is σ = 5599494422. Its totient is φ = 5599494420.

The previous prime is 5599494409. The next prime is 5599494473. The reversal of 5599494421 is 1244949955.

5599494421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (5599494473) can be obtained adding 5599494421 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5119402500 + 480091921 = 71550^2 + 21911^2 .

It is a cyclic number.

It is not a de Polignac number, because 5599494421 - 2⁷ = 5599494293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5599494401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2799747210 + 2799747211.

It is an arithmetic number, because the mean of its divisors is an integer number (2799747211).

Almost surely, 2^5599494421 is an apocalyptic number.

It is an amenable number.

5599494421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5599494421 is an equidigital number, since it uses as much as digits as its factorization.

5599494421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 52.

The square root of 5599494421 is about 74829.7696174457. The cubic root of 5599494421 is about 1775.7545607319.

The spelling of 5599494421 in words is "five billion, five hundred ninety-nine million, four hundred ninety-four thousand, four hundred twenty-one".