343763581849 has 4 divisors (see below), whose sum is σ = 343765521936. Its totient is φ = 343761641764.

The previous prime is 343763581787. The next prime is 343763581853. The reversal of 343763581849 is 948185367343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 343763581849 - 2¹⁷ = 343763450777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343763581859) 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, 674179 + ... + 1068664.

It is an arithmetic number, because the mean of its divisors is an integer number (85941380484).

Almost surely, 2^343763581849 is an apocalyptic number.

It is an amenable number.

343763581849 is a deficient number, since it is larger than the sum of its proper divisors (1940087).

343763581849 is a wasteful number, since it uses less digits than its factorization.

343763581849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940086.

The product of its digits is 52254720, while the sum is 61.

The spelling of 343763581849 in words is "three hundred forty-three billion, seven hundred sixty-three million, five hundred eighty-one thousand, eight hundred forty-nine".