6538211234 has 8 divisors (see below), whose sum is σ = 9861501468. Its totient is φ = 3251044080.

The previous prime is 6538211191. The next prime is 6538211261. The reversal of 6538211234 is 4321128356.

It can be written as a sum of positive squares in 2 ways, for example, as 4542355609 + 1995855625 = 67397^2 + 44675^2 .

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

It is a super-2 number, since 2×6538211234² = 85496412280807605512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6538211194 and 6538211203.

It is an unprimeable number.

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, 9030317 + ... + 9031040.

Almost surely, 2^6538211234 is an apocalyptic number.

6538211234 is a deficient number, since it is larger than the sum of its proper divisors (3323290234).

6538211234 is a wasteful number, since it uses less digits than its factorization.

6538211234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18061540.

The product of its digits is 34560, while the sum is 35.

The square root of 6538211234 is about 80859.2062414664. The cubic root of 6538211234 is about 1869.9054575822.

The spelling of 6538211234 in words is "six billion, five hundred thirty-eight million, two hundred eleven thousand, two hundred thirty-four".