5320781851 has 16 divisors (see below), whose sum is σ = 6717680640. Its totient is φ = 4093577280.

The previous prime is 5320781789. The next prime is 5320781881. The reversal of 5320781851 is 1581870235.

It is a cyclic number.

It is not a de Polignac number, because 5320781851 - 2⁷ = 5320781723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5320781881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431266 + ... + 443431.

It is an arithmetic number, because the mean of its divisors is an integer number (419855040).

Almost surely, 2^5320781851 is an apocalyptic number.

5320781851 is a deficient number, since it is larger than the sum of its proper divisors (1396898789).

5320781851 is a wasteful number, since it uses less digits than its factorization.

5320781851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874794.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 5320781851 is about 72943.6895899844. The cubic root of 5320781851 is about 1745.7892616589.

The spelling of 5320781851 in words is "five billion, three hundred twenty million, seven hundred eighty-one thousand, eight hundred fifty-one".