2465989899 has 4 divisors (see below), whose sum is σ = 3287986536. Its totient is φ = 1643993264.

The previous prime is 2465989849. The next prime is 2465989913. The reversal of 2465989899 is 9989895642.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2465989899 - 2²⁴ = 2449212683 is a prime.

It is a super-2 number, since 2×2465989899² = 12162212363940060402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2465989849) 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, 410998314 + ... + 410998319.

It is an arithmetic number, because the mean of its divisors is an integer number (821996634).

Almost surely, 2^2465989899 is an apocalyptic number.

2465989899 is a deficient number, since it is larger than the sum of its proper divisors (821996637).

2465989899 is an equidigital number, since it uses as much as digits as its factorization.

2465989899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821996636.

The product of its digits is 100776960, while the sum is 69.

The square root of 2465989899 is about 49658.7343676820. The cubic root of 2465989899 is about 1351.0261788925.

The spelling of 2465989899 in words is "two billion, four hundred sixty-five million, nine hundred eighty-nine thousand, eight hundred ninety-nine".