5425868185 has 4 divisors (see below), whose sum is σ = 6511041828. Its totient is φ = 4340694544.

The previous prime is 5425868143. The next prime is 5425868237. The reversal of 5425868185 is 5818685245.

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 2693506201 + 2732361984 = 51899^2 + 52272^2 .

It is a cyclic number.

It is not a de Polignac number, because 5425868185 - 2³¹ = 3278384537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542586814 + ... + 542586823.

It is an arithmetic number, because the mean of its divisors is an integer number (1627760457).

Almost surely, 2^5425868185 is an apocalyptic number.

It is an amenable number.

5425868185 is a deficient number, since it is larger than the sum of its proper divisors (1085173643).

5425868185 is a wasteful number, since it uses less digits than its factorization.

5425868185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085173642.

The product of its digits is 3072000, while the sum is 52.

The square root of 5425868185 is about 73660.4927013117. The cubic root of 5425868185 is about 1757.2076270643.

The spelling of 5425868185 in words is "five billion, four hundred twenty-five million, eight hundred sixty-eight thousand, one hundred eighty-five".