3618248521 has 2 divisors, whose sum is σ = 3618248522. Its totient is φ = 3618248520.

The previous prime is 3618248437. The next prime is 3618248531. The reversal of 3618248521 is 1258428163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2190240000 + 1428008521 = 46800^2 + 37789^2 .

It is a cyclic number.

It is not a de Polignac number, because 3618248521 - 2²¹ = 3616151369 is a prime.

It is not a weakly prime, because it can be changed into another prime (3618248531) 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, 1809124260 + 1809124261.

It is an arithmetic number, because the mean of its divisors is an integer number (1809124261).

Almost surely, 2^3618248521 is an apocalyptic number.

It is an amenable number.

3618248521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3618248521 is an equidigital number, since it uses as much as digits as its factorization.

3618248521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 40.

The square root of 3618248521 is about 60151.8787819632. The cubic root of 3618248521 is about 1535.2041336034.

The spelling of 3618248521 in words is "three billion, six hundred eighteen million, two hundred forty-eight thousand, five hundred twenty-one".