5630451851 has 4 divisors (see below), whose sum is σ = 5630625312. Its totient is φ = 5630278392.

The previous prime is 5630451823. The next prime is 5630451859. The reversal of 5630451851 is 1581540365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5630451851 - 2¹⁰ = 5630450827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5630451859) 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, 21875 + ... + 108348.

It is an arithmetic number, because the mean of its divisors is an integer number (1407656328).

Almost surely, 2^5630451851 is an apocalyptic number.

5630451851 is a deficient number, since it is larger than the sum of its proper divisors (173461).

5630451851 is a wasteful number, since it uses less digits than its factorization.

5630451851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173460.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 5630451851 is about 75036.3368708788. The cubic root of 5630451851 is about 1779.0210341940.

The spelling of 5630451851 in words is "five billion, six hundred thirty million, four hundred fifty-one thousand, eight hundred fifty-one".