6542252042 has 16 divisors (see below), whose sum is σ = 10173738240. Its totient is φ = 3151494192.

The previous prime is 6542252039. The next prime is 6542252053. The reversal of 6542252042 is 2402522456.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94958 + ... + 148665.

It is an arithmetic number, because the mean of its divisors is an integer number (635858640).

Almost surely, 2^6542252042 is an apocalyptic number.

6542252042 is a deficient number, since it is larger than the sum of its proper divisors (3631486198).

6542252042 is a wasteful number, since it uses less digits than its factorization.

6542252042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244117.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 6542252042 is about 80884.1890730197. The cubic root of 6542252042 is about 1870.2905972175.

Adding to 6542252042 its reverse (2402522456), we get a palindrome (8944774498).

The spelling of 6542252042 in words is "six billion, five hundred forty-two million, two hundred fifty-two thousand, forty-two".