43428919894 has 8 divisors (see below), whose sum is σ = 68571978840. Its totient is φ = 20571593616.

The previous prime is 43428919847. The next prime is 43428919901. The reversal of 43428919894 is 49891982434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571433119 + ... + 571433194.

It is an arithmetic number, because the mean of its divisors is an integer number (8571497355).

Almost surely, 2^43428919894 is an apocalyptic number.

43428919894 is a deficient number, since it is larger than the sum of its proper divisors (25143058946).

43428919894 is a wasteful number, since it uses less digits than its factorization.

43428919894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142866334.

The product of its digits is 17915904, while the sum is 61.

The spelling of 43428919894 in words is "forty-three billion, four hundred twenty-eight million, nine hundred nineteen thousand, eight hundred ninety-four".