6364537238 has 4 divisors (see below), whose sum is σ = 9546805860. Its totient is φ = 3182268618.

The previous prime is 6364537237. The next prime is 6364537259. The reversal of 6364537238 is 8327354636.

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

It is a junction number, because it is equal to n+sod(n) for n = 6364537192 and 6364537201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6364537237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1591134308 + ... + 1591134311.

It is an arithmetic number, because the mean of its divisors is an integer number (2386701465).

Almost surely, 2^6364537238 is an apocalyptic number.

6364537238 is a deficient number, since it is larger than the sum of its proper divisors (3182268622).

6364537238 is a wasteful number, since it uses less digits than its factorization.

6364537238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182268621.

The product of its digits is 2177280, while the sum is 47.

The square root of 6364537238 is about 79778.0498508205. The cubic root of 6364537238 is about 1853.1999391668.

The spelling of 6364537238 in words is "six billion, three hundred sixty-four million, five hundred thirty-seven thousand, two hundred thirty-eight".