43946955385 has 8 divisors (see below), whose sum is σ = 52922695680. Its totient is φ = 35033331504.

The previous prime is 43946955383. The next prime is 43946955397. The reversal of 43946955385 is 58355964934.

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

It is a cyclic number.

It is not a de Polignac number, because 43946955385 - 2¹ = 43946955383 is a prime.

It is a super-2 number, since 2×43946955385² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43946955383) 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, 15527545 + ... + 15530374.

It is an arithmetic number, because the mean of its divisors is an integer number (6615336960).

Almost surely, 2^43946955385 is an apocalyptic number.

It is an amenable number.

43946955385 is a deficient number, since it is larger than the sum of its proper divisors (8975740295).

43946955385 is a wasteful number, since it uses less digits than its factorization.

43946955385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31058207.

The product of its digits is 69984000, while the sum is 61.

The spelling of 43946955385 in words is "forty-three billion, nine hundred forty-six million, nine hundred fifty-five thousand, three hundred eighty-five".