4611057489509 has 2 divisors, whose sum is σ = 4611057489510. Its totient is φ = 4611057489508.

The previous prime is 4611057489463. The next prime is 4611057489551. The reversal of 4611057489509 is 9059847501164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4354930401409 + 256127088100 = 2086847^2 + 506090^2 .

It is a cyclic number.

It is not a de Polignac number, because 4611057489509 - 2²⁰ = 4611056440933 is a prime.

It is a super-2 number, since 2×4611057489509² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4611057489109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2305528744754 + 2305528744755.

It is an arithmetic number, because the mean of its divisors is an integer number (2305528744755).

Almost surely, 2^{4611057489509} is an apocalyptic number.

It is an amenable number.

4611057489509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4611057489509 is an equidigital number, since it uses as much as digits as its factorization.

4611057489509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 59.

The spelling of 4611057489509 in words is "four trillion, six hundred eleven billion, fifty-seven million, four hundred eighty-nine thousand, five hundred nine".