245819814343 has 4 divisors (see below), whose sum is σ = 260279803440. Its totient is φ = 231359825248.

The previous prime is 245819814319. The next prime is 245819814349. The reversal of 245819814343 is 343418918542.

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 245819814343 - 2⁹ = 245819813831 is a prime.

It is a super-2 number, since 2×245819814343² (a number of 24 digits) 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 (245819814349) 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, 7229994523 + ... + 7229994556.

It is an arithmetic number, because the mean of its divisors is an integer number (65069950860).

Almost surely, 2^245819814343 is an apocalyptic number.

245819814343 is a deficient number, since it is larger than the sum of its proper divisors (14459989097).

245819814343 is a wasteful number, since it uses less digits than its factorization.

245819814343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14459989096.

The product of its digits is 3317760, while the sum is 52.

The spelling of 245819814343 in words is "two hundred forty-five billion, eight hundred nineteen million, eight hundred fourteen thousand, three hundred forty-three".