43264053453621 has 64 divisors (see below), whose sum is σ = 77455178551296. Its totient is φ = 20745076492800.

The previous prime is 43264053453557. The next prime is 43264053453629. The reversal of 43264053453621 is 12635435046234.

It is not a de Polignac number, because 43264053453621 - 2⁶ = 43264053453557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43264053453629) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69724080 + ... + 70341846.

It is an arithmetic number, because the mean of its divisors is an integer number (1210237164864).

Almost surely, 2^{43264053453621} is an apocalyptic number.

It is an amenable number.

43264053453621 is a deficient number, since it is larger than the sum of its proper divisors (34191125097675).

43264053453621 is a wasteful number, since it uses less digits than its factorization.

43264053453621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641122.

The product of its (nonzero) digits is 6220800, while the sum is 48.

Adding to 43264053453621 its reverse (12635435046234), we get a palindrome (55899488499855).

The spelling of 43264053453621 in words is "forty-three trillion, two hundred sixty-four billion, fifty-three million, four hundred fifty-three thousand, six hundred twenty-one".