5321210638 has 8 divisors (see below), whose sum is σ = 8257051080. Its totient is φ = 2568860280.

The previous prime is 5321210599. The next prime is 5321210683. The reversal of 5321210638 is 8360121235.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45872448 + ... + 45872563.

It is an arithmetic number, because the mean of its divisors is an integer number (1032131385).

Almost surely, 2^5321210638 is an apocalyptic number.

5321210638 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5321210638 is a deficient number, since it is larger than the sum of its proper divisors (2935840442).

5321210638 is a wasteful number, since it uses less digits than its factorization.

5321210638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91745042.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 5321210638 is about 72946.6286952317. The cubic root of 5321210638 is about 1745.8361564984.

The spelling of 5321210638 in words is "five billion, three hundred twenty-one million, two hundred ten thousand, six hundred thirty-eight".