253445433335013 has 8 divisors (see below), whose sum is σ = 339625371304000. Its totient is φ = 168114558794688.

The previous prime is 253445433334937. The next prime is 253445433335027. The reversal of 253445433335013 is 310533334544352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253445433335013 - 2¹³ = 253445433326821 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 (253445433335033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212265856468 + ... + 212265857661.

It is an arithmetic number, because the mean of its divisors is an integer number (42453171413000).

Almost surely, 2^{253445433335013} is an apocalyptic number.

It is an amenable number.

253445433335013 is a deficient number, since it is larger than the sum of its proper divisors (86179937968987).

253445433335013 is a wasteful number, since it uses less digits than its factorization.

253445433335013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424531714331.

The product of its (nonzero) digits is 11664000, while the sum is 48.

Adding to 253445433335013 its reverse (310533334544352), we get a palindrome (563978767879365).

The spelling of 253445433335013 in words is "two hundred fifty-three trillion, four hundred forty-five billion, four hundred thirty-three million, three hundred thirty-five thousand, thirteen".