43419137994 has 16 divisors (see below), whose sum is σ = 96486973440. Its totient is φ = 14473045980.

The previous prime is 43419137989. The next prime is 43419137999. The reversal of 43419137994 is 49973191434.

43419137994 is a `hidden beast` number, since 4 + 3 + 419 + 137 + 9 + 94 = 666.

It is an interprime number because it is at equal distance from previous prime (43419137989) and next prime (43419137999).

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 804058111 = 43419137994 / (4 + 3 + 4 + 1 + 9 + 1 + 3 + 7 + 9 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 43419137994.

It is not an unprimeable number, because it can be changed into a prime (43419137999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402029002 + ... + 402029109.

It is an arithmetic number, because the mean of its divisors is an integer number (6030435840).

Almost surely, 2^43419137994 is an apocalyptic number.

43419137994 is an abundant number, since it is smaller than the sum of its proper divisors (53067835446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43419137994 is a wasteful number, since it uses less digits than its factorization.

43419137994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804058122 (or 804058116 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The spelling of 43419137994 in words is "forty-three billion, four hundred nineteen million, one hundred thirty-seven thousand, nine hundred ninety-four".