4257886425761 has 4 divisors (see below), whose sum is σ = 4259469874500. Its totient is φ = 4256302977024.

The previous prime is 4257886425731. The next prime is 4257886425781. The reversal of 4257886425761 is 1675246887524.

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 2109407664400 + 2148478761361 = 1452380^2 + 1465769^2 .

It is a cyclic number.

It is not a de Polignac number, because 4257886425761 - 2¹⁴ = 4257886409377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4257886425731) 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, 791720336 + ... + 791725713.

It is an arithmetic number, because the mean of its divisors is an integer number (1064867468625).

Almost surely, 2^{4257886425761} is an apocalyptic number.

It is an amenable number.

4257886425761 is a deficient number, since it is larger than the sum of its proper divisors (1583448739).

4257886425761 is a wasteful number, since it uses less digits than its factorization.

4257886425761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583448738.

The product of its digits is 180633600, while the sum is 65.

The spelling of 4257886425761 in words is "four trillion, two hundred fifty-seven billion, eight hundred eighty-six million, four hundred twenty-five thousand, seven hundred sixty-one".