4253057550785 has 4 divisors (see below), whose sum is σ = 5103669060948. Its totient is φ = 3402446040624.

The previous prime is 4253057550779. The next prime is 4253057550787. The reversal of 4253057550785 is 5870557503524.

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 770926144576 + 3482131406209 = 878024^2 + 1866047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4253057550785 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4253057550785.

It is not an unprimeable number, because it can be changed into a prime (4253057550787) 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, 425305755074 + ... + 425305755083.

It is an arithmetic number, because the mean of its divisors is an integer number (1275917265237).

Almost surely, 2^{4253057550785} is an apocalyptic number.

It is an amenable number.

4253057550785 is a deficient number, since it is larger than the sum of its proper divisors (850611510163).

4253057550785 is an equidigital number, since it uses as much as digits as its factorization.

4253057550785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850611510162.

The product of its (nonzero) digits is 29400000, while the sum is 56.

The spelling of 4253057550785 in words is "four trillion, two hundred fifty-three billion, fifty-seven million, five hundred fifty thousand, seven hundred eighty-five".