42036253213 has 4 divisors (see below), whose sum is σ = 42179721948. Its totient is φ = 41892784480.

The previous prime is 42036253099. The next prime is 42036253241. The reversal of 42036253213 is 31235263024.

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 37001215449 + 5035037764 = 192357^2 + 70958^2 .

It is a cyclic number.

It is not a de Polignac number, because 42036253213 - 2⁹ = 42036252701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42036253283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71733928 + ... + 71734513.

It is an arithmetic number, because the mean of its divisors is an integer number (10544930487).

Almost surely, 2^42036253213 is an apocalyptic number.

It is an amenable number.

42036253213 is a deficient number, since it is larger than the sum of its proper divisors (143468735).

42036253213 is a wasteful number, since it uses less digits than its factorization.

42036253213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143468734.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 42036253213 in words is "forty-two billion, thirty-six million, two hundred fifty-three thousand, two hundred thirteen".