43427880419 has 16 divisors (see below), whose sum is σ = 54280271616. Its totient is φ = 33754644000.

The previous prime is 43427880409. The next prime is 43427880437. The reversal of 43427880419 is 91408872434.

It is a happy number.

It is not a de Polignac number, because 43427880419 - 2²⁸ = 43159444963 is a prime.

It is a super-2 number, since 2×43427880419² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43427880409) 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 15 ways as a sum of consecutive naturals, for example, 679757 + ... + 740894.

It is an arithmetic number, because the mean of its divisors is an integer number (3392516976).

Almost surely, 2^43427880419 is an apocalyptic number.

43427880419 is a deficient number, since it is larger than the sum of its proper divisors (10852391197).

43427880419 is a wasteful number, since it uses less digits than its factorization.

43427880419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421066.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 43427880419 in words is "forty-three billion, four hundred twenty-seven million, eight hundred eighty thousand, four hundred nineteen".