43149412090 has 8 divisors (see below), whose sum is σ = 77668941780. Its totient is φ = 17259764832.

The previous prime is 43149412073. The next prime is 43149412109. The reversal of 43149412090 is 9021494134.

It can be written as a sum of positive squares in 2 ways, for example, as 38600853841 + 4548558249 = 196471^2 + 67443^2 .

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

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, 2157470595 + ... + 2157470614.

Almost surely, 2^43149412090 is an apocalyptic number.

43149412090 is a deficient number, since it is larger than the sum of its proper divisors (34519529690).

43149412090 is a wasteful number, since it uses less digits than its factorization.

43149412090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314941216.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 43149412090 in words is "forty-three billion, one hundred forty-nine million, four hundred twelve thousand, ninety".