2469945823 has 16 divisors (see below), whose sum is σ = 2544330880. Its totient is φ = 2396998656.

The previous prime is 2469945769. The next prime is 2469945847. The reversal of 2469945823 is 3285499642.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2469945823 is a prime.

It is a super-2 number, since 2×2469945823² = 12201264737110294658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2469945853) 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 15 ways as a sum of consecutive naturals, for example, 1202065 + ... + 1204117.

It is an arithmetic number, because the mean of its divisors is an integer number (159020680).

Almost surely, 2^2469945823 is an apocalyptic number.

2469945823 is a deficient number, since it is larger than the sum of its proper divisors (74385057).

2469945823 is a wasteful number, since it uses less digits than its factorization.

2469945823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386.

The product of its digits is 3732480, while the sum is 52.

The square root of 2469945823 is about 49698.5495059967. The cubic root of 2469945823 is about 1351.7482285559.

The spelling of 2469945823 in words is "two billion, four hundred sixty-nine million, nine hundred forty-five thousand, eight hundred twenty-three".