43218722675 has 6 divisors (see below), whose sum is σ = 53591216148. Its totient is φ = 34574978120.

The previous prime is 43218722671. The next prime is 43218722683. The reversal of 43218722675 is 57622781234.

It is not a de Polignac number, because 43218722675 - 2² = 43218722671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43218722671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 864374429 + ... + 864374478.

It is an arithmetic number, because the mean of its divisors is an integer number (8931869358).

Almost surely, 2^43218722675 is an apocalyptic number.

43218722675 is a deficient number, since it is larger than the sum of its proper divisors (10372493473).

43218722675 is a wasteful number, since it uses less digits than its factorization.

43218722675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728748917 (or 1728748912 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The spelling of 43218722675 in words is "forty-three billion, two hundred eighteen million, seven hundred twenty-two thousand, six hundred seventy-five".