6542210412 has 18 divisors (see below), whose sum is σ = 16537254188. Its totient is φ = 2180736792.

The previous prime is 6542210401. The next prime is 6542210509. The reversal of 6542210412 is 2140122456.

6542210412 is a `hidden beast` number, since 6 + 542 + 2 + 104 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 90863998 + ... + 90864069.

Almost surely, 2^6542210412 is an apocalyptic number.

It is an amenable number.

6542210412 is an abundant number, since it is smaller than the sum of its proper divisors (9995043776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6542210412 is a wasteful number, since it uses less digits than its factorization.

6542210412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181728077 (or 181728072 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 6542210412 is about 80883.9317293614. The cubic root of 6542210412 is about 1870.2866301654.

Adding to 6542210412 its reverse (2140122456), we get a palindrome (8682332868).

The spelling of 6542210412 in words is "six billion, five hundred forty-two million, two hundred ten thousand, four hundred twelve".