5665263398 has 8 divisors (see below), whose sum is σ = 8554928400. Its totient is φ = 2813620600.

The previous prime is 5665263353. The next prime is 5665263403. The reversal of 5665263398 is 8933625665.

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

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, 9505178 + ... + 9505773.

It is an arithmetic number, because the mean of its divisors is an integer number (1069366050).

Almost surely, 2^5665263398 is an apocalyptic number.

5665263398 is a deficient number, since it is larger than the sum of its proper divisors (2889665002).

5665263398 is a wasteful number, since it uses less digits than its factorization.

5665263398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19011102.

The product of its digits is 6998400, while the sum is 53.

The square root of 5665263398 is about 75267.9440266572. The cubic root of 5665263398 is about 1782.6799044179.

The spelling of 5665263398 in words is "five billion, six hundred sixty-five million, two hundred sixty-three thousand, three hundred ninety-eight".