2405432465 has 4 divisors (see below), whose sum is σ = 2886518964. Its totient is φ = 1924345968.

The previous prime is 2405432413. The next prime is 2405432467. The reversal of 2405432465 is 5642345042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5642345042 = 2 ⋅2821172521.

It can be written as a sum of positive squares in 2 ways, for example, as 1411354624 + 994077841 = 37568^2 + 31529^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405432465 - 2⁸ = 2405432209 is a prime.

It is a super-2 number, since 2×2405432465² = 11572210687351952450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2405432467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240543242 + ... + 240543251.

It is an arithmetic number, because the mean of its divisors is an integer number (721629741).

Almost surely, 2^2405432465 is an apocalyptic number.

It is an amenable number.

2405432465 is a deficient number, since it is larger than the sum of its proper divisors (481086499).

2405432465 is an equidigital number, since it uses as much as digits as its factorization.

2405432465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481086498.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 2405432465 is about 49045.2083796165. The cubic root of 2405432465 is about 1339.8753253353.

The spelling of 2405432465 in words is "two billion, four hundred five million, four hundred thirty-two thousand, four hundred sixty-five".