43104325321021 has 16 divisors (see below), whose sum is σ = 45028896285744. Its totient is φ = 41223654342144.

The previous prime is 43104325321003. The next prime is 43104325321063. The reversal of 43104325321021 is 12012352340134.

It can be written as a sum of positive squares in 8 ways, for example, as 23624557460100 + 19479767860921 = 4860510^2 + 4413589^2 .

It is not a de Polignac number, because 43104325321021 - 2²⁹ = 43103788450109 is a prime.

It is a super-2 number, since 2×43104325321021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43104325321921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26441806 + ... + 28024591.

It is an arithmetic number, because the mean of its divisors is an integer number (2814306017859).

Almost surely, 2^{43104325321021} is an apocalyptic number.

It is an amenable number.

43104325321021 is a deficient number, since it is larger than the sum of its proper divisors (1924570964723).

43104325321021 is a wasteful number, since it uses less digits than its factorization.

43104325321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54466800.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 43104325321021 its reverse (12012352340134), we get a palindrome (55116677661155).

The spelling of 43104325321021 in words is "forty-three trillion, one hundred four billion, three hundred twenty-five million, three hundred twenty-one thousand, twenty-one".