4253537785448 has 16 divisors (see below), whose sum is σ = 9114723826080. Its totient is φ = 1822944765168.

The previous prime is 4253537785447. The next prime is 4253537785477. The reversal of 4253537785448 is 8445877353524.

It is not an unprimeable number, because it can be changed into a prime (4253537785447) 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, 37978015886 + ... + 37978015997.

It is an arithmetic number, because the mean of its divisors is an integer number (569670239130).

Almost surely, 2^{4253537785448} is an apocalyptic number.

It is an amenable number.

4253537785448 is an abundant number, since it is smaller than the sum of its proper divisors (4861186040632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4253537785448 is a wasteful number, since it uses less digits than its factorization.

4253537785448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75956031896 (or 75956031892 counting only the distinct ones).

The product of its digits is 451584000, while the sum is 65.

The spelling of 4253537785448 in words is "four trillion, two hundred fifty-three billion, five hundred thirty-seven million, seven hundred eighty-five thousand, four hundred forty-eight".