64432216043 has 8 divisors (see below), whose sum is σ = 69561584736. Its totient is φ = 59327568000.

The previous prime is 64432216027. The next prime is 64432216061. The reversal of 64432216043 is 34061223446.

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 64432216043 - 2⁴ = 64432216027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64432215994 and 64432216012.

It is not an unprimeable number, because it can be changed into a prime (64432216003) 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, 6174743 + ... + 6185168.

It is an arithmetic number, because the mean of its divisors is an integer number (8695198092).

Almost surely, 2^64432216043 is an apocalyptic number.

64432216043 is a deficient number, since it is larger than the sum of its proper divisors (5129368693).

64432216043 is a wasteful number, since it uses less digits than its factorization.

64432216043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12360325.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 64432216043 its reverse (34061223446), we get a palindrome (98493439489).

The spelling of 64432216043 in words is "sixty-four billion, four hundred thirty-two million, two hundred sixteen thousand, forty-three".