5627134721 has 4 divisors (see below), whose sum is σ = 6059991252. Its totient is φ = 5194278192.

The previous prime is 5627134699. The next prime is 5627134727. The reversal of 5627134721 is 1274317265.

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 658435600 + 4968699121 = 25660^2 + 70489^2 .

It is a cyclic number.

It is not a de Polignac number, because 5627134721 - 2¹⁸ = 5626872577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5627134727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216428246 + ... + 216428271.

It is an arithmetic number, because the mean of its divisors is an integer number (1514997813).

Almost surely, 2^5627134721 is an apocalyptic number.

It is an amenable number.

5627134721 is a deficient number, since it is larger than the sum of its proper divisors (432856531).

5627134721 is a wasteful number, since it uses less digits than its factorization.

5627134721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432856530.

The product of its digits is 70560, while the sum is 38.

The square root of 5627134721 is about 75014.2301233573. The cubic root of 5627134721 is about 1778.6716008230.

The spelling of 5627134721 in words is "five billion, six hundred twenty-seven million, one hundred thirty-four thousand, seven hundred twenty-one".