2465143309 has 2 divisors, whose sum is σ = 2465143310. Its totient is φ = 2465143308.

The previous prime is 2465143301. The next prime is 2465143349. The reversal of 2465143309 is 9033415642.

2465143309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1458858025 + 1006285284 = 38195^2 + 31722^2 .

It is a cyclic number.

It is not a de Polignac number, because 2465143309 - 2³ = 2465143301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2465143301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1232571654 + 1232571655.

It is an arithmetic number, because the mean of its divisors is an integer number (1232571655).

Almost surely, 2^2465143309 is an apocalyptic number.

It is an amenable number.

2465143309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2465143309 is an equidigital number, since it uses as much as digits as its factorization.

2465143309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2465143309 is about 49650.2095564561. The cubic root of 2465143309 is about 1350.8715559065.

The spelling of 2465143309 in words is "two billion, four hundred sixty-five million, one hundred forty-three thousand, three hundred nine".