2469311643 has 4 divisors (see below), whose sum is σ = 3292415528. Its totient is φ = 1646207760.

The previous prime is 2469311641. The next prime is 2469311657. The reversal of 2469311643 is 3461139642.

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

It is not a de Polignac number, because 2469311643 - 2¹ = 2469311641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2469311641) 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 3 ways as a sum of consecutive naturals, for example, 411551938 + ... + 411551943.

It is an arithmetic number, because the mean of its divisors is an integer number (823103882).

Almost surely, 2^2469311643 is an apocalyptic number.

2469311643 is a deficient number, since it is larger than the sum of its proper divisors (823103885).

2469311643 is an equidigital number, since it uses as much as digits as its factorization.

2469311643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823103884.

The product of its digits is 93312, while the sum is 39.

The square root of 2469311643 is about 49692.1688297060. The cubic root of 2469311643 is about 1351.6325276280.

The spelling of 2469311643 in words is "two billion, four hundred sixty-nine million, three hundred eleven thousand, six hundred forty-three".