5321210639 has 8 divisors (see below), whose sum is σ = 5359027392. Its totient is φ = 5283475360.

The previous prime is 5321210599. The next prime is 5321210683. The reversal of 5321210639 is 9360121235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5321210639 - 2¹² = 5321206543 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 (5321210689) 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 7 ways as a sum of consecutive naturals, for example, 113834 + ... + 153624.

It is an arithmetic number, because the mean of its divisors is an integer number (669878424).

Almost surely, 2^5321210639 is an apocalyptic number.

5321210639 is a deficient number, since it is larger than the sum of its proper divisors (37816753).

5321210639 is a wasteful number, since it uses less digits than its factorization.

5321210639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40737.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 5321210639 is about 72946.6287020860. The cubic root of 5321210639 is about 1745.8361566078.

The spelling of 5321210639 in words is "five billion, three hundred twenty-one million, two hundred ten thousand, six hundred thirty-nine".