42245030253 has 4 divisors (see below), whose sum is σ = 56326707008. Its totient is φ = 28163353500.

The previous prime is 42245030239. The next prime is 42245030263. The reversal of 42245030253 is 35203054224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42245030253 - 2⁴ = 42245030237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42245030253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42245030263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7040838373 + ... + 7040838378.

It is an arithmetic number, because the mean of its divisors is an integer number (14081676752).

Almost surely, 2^42245030253 is an apocalyptic number.

It is an amenable number.

42245030253 is a deficient number, since it is larger than the sum of its proper divisors (14081676755).

42245030253 is a wasteful number, since it uses less digits than its factorization.

42245030253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081676754.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 42245030253 its reverse (35203054224), we get a palindrome (77448084477).

The spelling of 42245030253 in words is "forty-two billion, two hundred forty-five million, thirty thousand, two hundred fifty-three".