5425353649 has 9 divisors (see below), whose sum is σ = 5506148673. Its totient is φ = 5345730432.

The previous prime is 5425353631. The next prime is 5425353653. The reversal of 5425353649 is 9463535245.

The square root of 5425353649 is 73657.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 91680625 + 5333673024 = 9575^2 + 73032^2 .

It is not a de Polignac number, because 5425353649 - 2¹¹ = 5425351601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5425353599 and 5425353608.

It is not an unprimeable number, because it can be changed into a prime (5425353629) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5376457 + ... + 5377465.

It is an arithmetic number, because the mean of its divisors is an integer number (611794297).

Almost surely, 2^5425353649 is an apocalyptic number.

5425353649 is the 73657-th square number.

5425353649 is the 36829-th centered octagonal number.

It is an amenable number.

5425353649 is a deficient number, since it is larger than the sum of its proper divisors (80795024).

5425353649 is an frugal number, since it uses more digits than its factorization.

5425353649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 1082 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 46.

The cubic root of 5425353649 is about 1757.1520798760.

The spelling of 5425353649 in words is "five billion, four hundred twenty-five million, three hundred fifty-three thousand, six hundred forty-nine".