5311649285 has 4 divisors (see below), whose sum is σ = 6373979148. Its totient is φ = 4249319424.

The previous prime is 5311649267. The next prime is 5311649311. The reversal of 5311649285 is 5829461135.

It is a happy number.

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 4038729601 + 1272919684 = 63551^2 + 35678^2 .

It is a cyclic number.

It is not a de Polignac number, because 5311649285 - 2¹⁸ = 5311387141 is a prime.

It is a super-2 number, since 2×5311649285² = 56427236253682022450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 531164924 + ... + 531164933.

It is an arithmetic number, because the mean of its divisors is an integer number (1593494787).

Almost surely, 2^5311649285 is an apocalyptic number.

It is an amenable number.

5311649285 is a deficient number, since it is larger than the sum of its proper divisors (1062329863).

5311649285 is a wasteful number, since it uses less digits than its factorization.

5311649285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062329862.

The product of its digits is 259200, while the sum is 44.

The square root of 5311649285 is about 72881.0625951625. The cubic root of 5311649285 is about 1744.7898680477.

The spelling of 5311649285 in words is "five billion, three hundred eleven million, six hundred forty-nine thousand, two hundred eighty-five".