43149708912 has 20 divisors (see below), whose sum is σ = 111470081480. Its totient is φ = 14383236288.

The previous prime is 43149708851. The next prime is 43149708949. The reversal of 43149708912 is 21980794134.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 898952269 = 43149708912 / (4 + 3 + 1 + 4 + 9 + 7 + 0 + 8 + 9 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 449476087 + ... + 449476182.

It is an arithmetic number, because the mean of its divisors is an integer number (5573504074).

Almost surely, 2^43149708912 is an apocalyptic number.

It is an amenable number.

43149708912 is an abundant number, since it is smaller than the sum of its proper divisors (68320372568).

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

43149708912 is a wasteful number, since it uses less digits than its factorization.

43149708912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898952280 (or 898952274 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 43149708912 in words is "forty-three billion, one hundred forty-nine million, seven hundred eight thousand, nine hundred twelve".