43274067719 has 4 divisors (see below), whose sum is σ = 43275457296. Its totient is φ = 43272678144.

The previous prime is 43274067713. The next prime is 43274067787. The reversal of 43274067719 is 91776047234.

It is a happy number.

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 43274067719 - 2²⁰ = 43273019143 is a prime.

It is a super-2 number, since 2×43274067719² (a number of 22 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 (43274067713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646979 + ... + 710724.

It is an arithmetic number, because the mean of its divisors is an integer number (10818864324).

Almost surely, 2^43274067719 is an apocalyptic number.

43274067719 is a deficient number, since it is larger than the sum of its proper divisors (1389577).

43274067719 is a wasteful number, since it uses less digits than its factorization.

43274067719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389576.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 43274067719 in words is "forty-three billion, two hundred seventy-four million, sixty-seven thousand, seven hundred nineteen".