42025553321 has 4 divisors (see below), whose sum is σ = 42029591892. Its totient is φ = 42021514752.

The previous prime is 42025553299. The next prime is 42025553329. The reversal of 42025553321 is 12335552024.

42025553321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29790760000 + 12234793321 = 172600^2 + 110611^2 .

It is a cyclic number.

It is not a de Polignac number, because 42025553321 - 2¹⁴ = 42025536937 is a prime.

It is a super-2 number, since 2×42025553321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42025553329) 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, 2003636 + ... + 2024501.

It is an arithmetic number, because the mean of its divisors is an integer number (10507397973).

Almost surely, 2^42025553321 is an apocalyptic number.

It is an amenable number.

42025553321 is a deficient number, since it is larger than the sum of its proper divisors (4038571).

42025553321 is a wasteful number, since it uses less digits than its factorization.

42025553321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038570.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 42025553321 in words is "forty-two billion, twenty-five million, five hundred fifty-three thousand, three hundred twenty-one".