43994846141 has 8 divisors (see below), whose sum is σ = 44083423800. Its totient is φ = 43906309120.

The previous prime is 43994846101. The next prime is 43994846153. The reversal of 43994846141 is 14164849934.

It can be written as a sum of positive squares in 4 ways, for example, as 1292690116 + 42702156025 = 35954^2 + 206645^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43994846141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43994846101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054605 + ... + 3068973.

It is an arithmetic number, because the mean of its divisors is an integer number (5510427975).

Almost surely, 2^43994846141 is an apocalyptic number.

It is an amenable number.

43994846141 is a deficient number, since it is larger than the sum of its proper divisors (88577659).

43994846141 is a wasteful number, since it uses less digits than its factorization.

43994846141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20319.

The product of its digits is 2985984, while the sum is 53.

The spelling of 43994846141 in words is "forty-three billion, nine hundred ninety-four million, eight hundred forty-six thousand, one hundred forty-one".