42863745625 has 10 divisors (see below), whose sum is σ = 53562537314. Its totient is φ = 34290996000.

The previous prime is 42863745623. The next prime is 42863745667. The reversal of 42863745625 is 52654736824.

It can be written as a sum of positive squares in 5 ways, for example, as 26312408521 + 16551337104 = 162211^2 + 128652^2 .

It is not a de Polignac number, because 42863745625 - 2¹ = 42863745623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42863745623) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34290372 + ... + 34291621.

Almost surely, 2^42863745625 is an apocalyptic number.

It is an amenable number.

42863745625 is a deficient number, since it is larger than the sum of its proper divisors (10698791689).

42863745625 is an frugal number, since it uses more digits than its factorization.

42863745625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68582013 (or 68581998 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 52.

The spelling of 42863745625 in words is "forty-two billion, eight hundred sixty-three million, seven hundred forty-five thousand, six hundred twenty-five".