43210450050664 has 16 divisors (see below), whose sum is σ = 87251870294820. Its totient is φ = 19943284638720.

The previous prime is 43210450050661. The next prime is 43210450050689. The reversal of 43210450050664 is 46605005401234.

It can be written as a sum of positive squares in 2 ways, for example, as 42508444022500 + 702006028164 = 6519850^2 + 837858^2 .

It is not an unprimeable number, because it can be changed into a prime (43210450050661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207742548217 + ... + 207742548424.

Almost surely, 2^{43210450050664} is an apocalyptic number.

It is an amenable number.

43210450050664 is an abundant number, since it is smaller than the sum of its proper divisors (44041420244156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43210450050664 is a wasteful number, since it uses less digits than its factorization.

43210450050664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415485096660 (or 415485096656 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 43210450050664 its reverse (46605005401234), we get a palindrome (89815455451898).

The spelling of 43210450050664 in words is "forty-three trillion, two hundred ten billion, four hundred fifty million, fifty thousand, six hundred sixty-four".