20234614242509 has 2 divisors, whose sum is σ = 20234614242510. Its totient is φ = 20234614242508.

The previous prime is 20234614242497. The next prime is 20234614242637. The reversal of 20234614242509 is 90524241643202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19150662565609 + 1083951676900 = 4376147^2 + 1041130^2 .

It is a cyclic number.

It is not a de Polignac number, because 20234614242509 - 2²⁴ = 20234597465293 is a prime.

It is a super-2 number, since 2×20234614242509² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20234614242509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20234614247509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10117307121254 + 10117307121255.

It is an arithmetic number, because the mean of its divisors is an integer number (10117307121255).

Almost surely, 2^{20234614242509} is an apocalyptic number.

It is an amenable number.

20234614242509 is a deficient number, since it is larger than the sum of its proper divisors (1).

20234614242509 is an equidigital number, since it uses as much as digits as its factorization.

20234614242509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 20234614242509 in words is "twenty trillion, two hundred thirty-four billion, six hundred fourteen million, two hundred forty-two thousand, five hundred nine".