5634998393 has 4 divisors (see below), whose sum is σ = 5636521380. Its totient is φ = 5633475408.

The previous prime is 5634998389. The next prime is 5634998417. The reversal of 5634998393 is 3938994365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3938994365 = 5 ⋅787798873.

It can be written as a sum of positive squares in 2 ways, for example, as 3883408489 + 1751589904 = 62317^2 + 41852^2 .

It is a cyclic number.

It is not a de Polignac number, because 5634998393 - 2² = 5634998389 is a prime.

It is a super-2 number, since 2×5634998393² = 63506413778225164898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5634998333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755930 + ... + 763347.

It is an arithmetic number, because the mean of its divisors is an integer number (1409130345).

Almost surely, 2^5634998393 is an apocalyptic number.

It is an amenable number.

5634998393 is a deficient number, since it is larger than the sum of its proper divisors (1522987).

5634998393 is a wasteful number, since it uses less digits than its factorization.

5634998393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522986.

The product of its digits is 18895680, while the sum is 59.

The square root of 5634998393 is about 75066.6263595214. The cubic root of 5634998393 is about 1779.4997534832.

The spelling of 5634998393 in words is "five billion, six hundred thirty-four million, nine hundred ninety-eight thousand, three hundred ninety-three".