5249645608 has 8 divisors (see below), whose sum is σ = 9843085530. Its totient is φ = 2624822800.

The previous prime is 5249645593. The next prime is 5249645623. The reversal of 5249645608 is 8065469425.

It is an interprime number because it is at equal distance from previous prime (5249645593) and next prime (5249645623).

It can be written as a sum of positive squares in only one way, i.e., 3468974404 + 1780671204 = 58898^2 + 42198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328102843 + ... + 328102858.

Almost surely, 2^5249645608 is an apocalyptic number.

It is an amenable number.

5249645608 is a deficient number, since it is larger than the sum of its proper divisors (4593439922).

5249645608 is a wasteful number, since it uses less digits than its factorization.

5249645608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656205707 (or 656205703 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The square root of 5249645608 is about 72454.4381525383. The cubic root of 5249645608 is about 1737.9742143875.

The spelling of 5249645608 in words is "five billion, two hundred forty-nine million, six hundred forty-five thousand, six hundred eight".