3618395461 has 2 divisors, whose sum is σ = 3618395462. Its totient is φ = 3618395460.

The previous prime is 3618395401. The next prime is 3618395563. The reversal of 3618395461 is 1645938163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3582022500 + 36372961 = 59850^2 + 6031^2 .

It is a cyclic number.

It is not a de Polignac number, because 3618395461 - 2²⁹ = 3081524549 is a prime.

It is a super-3 number, since 3×3618395461³ (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 (3618395401) 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, 1809197730 + 1809197731.

It is an arithmetic number, because the mean of its divisors is an integer number (1809197731).

Almost surely, 2^3618395461 is an apocalyptic number.

It is an amenable number.

3618395461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3618395461 is an equidigital number, since it uses as much as digits as its factorization.

3618395461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The square root of 3618395461 is about 60153.1001777963. The cubic root of 3618395461 is about 1535.2249152827.

The spelling of 3618395461 in words is "three billion, six hundred eighteen million, three hundred ninety-five thousand, four hundred sixty-one".