43956946217 has 8 divisors (see below), whose sum is σ = 45377809152. Its totient is φ = 42536264400.

The previous prime is 43956946211. The next prime is 43956946219. The reversal of 43956946217 is 71264965934.

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 43956946217 - 2⁶ = 43956946153 is a prime.

It is a super-2 number, since 2×43956946217² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43956946211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589367 + ... + 659747.

It is an arithmetic number, because the mean of its divisors is an integer number (5672226144).

Almost surely, 2^43956946217 is an apocalyptic number.

It is an amenable number.

43956946217 is a deficient number, since it is larger than the sum of its proper divisors (1420862935).

43956946217 is a wasteful number, since it uses less digits than its factorization.

43956946217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90559.

The product of its digits is 9797760, while the sum is 56.

The spelling of 43956946217 in words is "forty-three billion, nine hundred fifty-six million, nine hundred forty-six thousand, two hundred seventeen".