5313961806 has 8 divisors (see below), whose sum is σ = 10627923624. Its totient is φ = 1771320600.

The previous prime is 5313961789. The next prime is 5313961831. The reversal of 5313961806 is 6081693135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

5313961806 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 442830145 + ... + 442830156.

It is an arithmetic number, because the mean of its divisors is an integer number (1328490453).

Almost surely, 2^5313961806 is an apocalyptic number.

5313961806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5313961806 is a wasteful number, since it uses less digits than its factorization.

5313961806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885660306.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 5313961806 is about 72896.9259022628. The cubic root of 5313961806 is about 1745.0430397454.

The spelling of 5313961806 in words is "five billion, three hundred thirteen million, nine hundred sixty-one thousand, eight hundred six".