2465437509 has 12 divisors (see below), whose sum is σ = 3562018252. Its totient is φ = 1643241600.

The previous prime is 2465437477. The next prime is 2465437531. The reversal of 2465437509 is 9057345642.

It can be written as a sum of positive squares in 2 ways, for example, as 1618452900 + 846984609 = 40230^2 + 29103^2 .

It is not a de Polignac number, because 2465437509 - 2⁵ = 2465437477 is a prime.

It is a super-2 number, since 2×2465437509² = 12156764221568250162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2465435509) 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 in 11 ways as a sum of consecutive naturals, for example, 11949 + ... + 71229.

Almost surely, 2^2465437509 is an apocalyptic number.

It is an amenable number.

2465437509 is a deficient number, since it is larger than the sum of its proper divisors (1096580743).

2465437509 is a wasteful number, since it uses less digits than its factorization.

2465437509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63908 (or 63905 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 2465437509 is about 49653.1721947350. The cubic root of 2465437509 is about 1350.9252932289.

The spelling of 2465437509 in words is "two billion, four hundred sixty-five million, four hundred thirty-seven thousand, five hundred nine".