2643145319 has 4 divisors (see below), whose sum is σ = 2707612320. Its totient is φ = 2578678320.

The previous prime is 2643145313. The next prime is 2643145321. The reversal of 2643145319 is 9135413462.

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 2643145319 - 2¹⁶ = 2643079783 is a prime.

It is a super-2 number, since 2×2643145319² = 13972434354703223522, 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 (2643145313) 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, 32233439 + ... + 32233520.

It is an arithmetic number, because the mean of its divisors is an integer number (676903080).

Almost surely, 2^2643145319 is an apocalyptic number.

2643145319 is a deficient number, since it is larger than the sum of its proper divisors (64467001).

2643145319 is an equidigital number, since it uses as much as digits as its factorization.

2643145319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64467000.

The product of its digits is 77760, while the sum is 38.

The square root of 2643145319 is about 51411.5290474812. The cubic root of 2643145319 is about 1382.6333040639.

The spelling of 2643145319 in words is "two billion, six hundred forty-three million, one hundred forty-five thousand, three hundred nineteen".