5210774644 has 12 divisors (see below), whose sum is σ = 9124576804. Its totient is φ = 2603752704.

The previous prime is 5210774641. The next prime is 5210774651. The reversal of 5210774644 is 4464770125.

It can be written as a sum of positive squares in 2 ways, for example, as 1627315600 + 3583459044 = 40340^2 + 59862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5210774597 and 5210774606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5210774641) 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, 401469 + ... + 414244.

Almost surely, 2^5210774644 is an apocalyptic number.

It is an amenable number.

5210774644 is a deficient number, since it is larger than the sum of its proper divisors (3913802160).

5210774644 is a wasteful number, since it uses less digits than its factorization.

5210774644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817314 (or 817312 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 5210774644 is about 72185.6955635949. The cubic root of 5210774644 is about 1733.6739772155.

The spelling of 5210774644 in words is "five billion, two hundred ten million, seven hundred seventy-four thousand, six hundred forty-four".