3555498389 has 2 divisors, whose sum is σ = 3555498390. Its totient is φ = 3555498388.

The previous prime is 3555498377. The next prime is 3555498403. The reversal of 3555498389 is 9838945553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3072817489 + 482680900 = 55433^2 + 21970^2 .

It is a cyclic number.

It is not a de Polignac number, because 3555498389 - 2²⁰ = 3554449813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3555498319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777749194 + 1777749195.

It is an arithmetic number, because the mean of its divisors is an integer number (1777749195).

Almost surely, 2^3555498389 is an apocalyptic number.

It is an amenable number.

3555498389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3555498389 is an equidigital number, since it uses as much as digits as its factorization.

3555498389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328000, while the sum is 59.

The square root of 3555498389 is about 59628.0000419266. Note that the first 4 decimals coincide. The cubic root of 3555498389 is about 1526.2774767726.

The spelling of 3555498389 in words is "three billion, five hundred fifty-five million, four hundred ninety-eight thousand, three hundred eighty-nine".