5634110021 has 4 divisors (see below), whose sum is σ = 5635636044. Its totient is φ = 5632584000.

The previous prime is 5634110003. The next prime is 5634110051. The reversal of 5634110021 is 1200114365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1200114365 = 5 ⋅240022873.

It can be written as a sum of positive squares in 2 ways, for example, as 2008384225 + 3625725796 = 44815^2 + 60214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5634110021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5634110051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757460 + ... + 764861.

It is an arithmetic number, because the mean of its divisors is an integer number (1408909011).

Almost surely, 2^5634110021 is an apocalyptic number.

It is an amenable number.

5634110021 is a deficient number, since it is larger than the sum of its proper divisors (1526023).

5634110021 is a wasteful number, since it uses less digits than its factorization.

5634110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526022.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 5634110021 is about 75060.7089028608. The cubic root of 5634110021 is about 1779.4062343298.

Adding to 5634110021 its reverse (1200114365), we get a palindrome (6834224386).

The spelling of 5634110021 in words is "five billion, six hundred thirty-four million, one hundred ten thousand, twenty-one".