42448817253 has 4 divisors (see below), whose sum is σ = 56598423008. Its totient is φ = 28299211500.

The previous prime is 42448817237. The next prime is 42448817269. The reversal of 42448817253 is 35271884424.

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 an interprime number because it is at equal distance from previous prime (42448817237) and next prime (42448817269).

It is not a de Polignac number, because 42448817253 - 2⁴ = 42448817237 is a prime.

It is a super-3 number, since 3×42448817253³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42448816253) 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, 7074802873 + ... + 7074802878.

It is an arithmetic number, because the mean of its divisors is an integer number (14149605752).

Almost surely, 2^42448817253 is an apocalyptic number.

It is an amenable number.

42448817253 is a deficient number, since it is larger than the sum of its proper divisors (14149605755).

42448817253 is a wasteful number, since it uses less digits than its factorization.

42448817253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14149605754.

The product of its digits is 1720320, while the sum is 48.

The spelling of 42448817253 in words is "forty-two billion, four hundred forty-eight million, eight hundred seventeen thousand, two hundred fifty-three".