6142821215 has 16 divisors (see below), whose sum is σ = 7628433120. Its totient is φ = 4744920960.

The previous prime is 6142821203. The next prime is 6142821221. The reversal of 6142821215 is 5121282416.

It is not a de Polignac number, because 6142821215 - 2¹⁰ = 6142820191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102500 + ... + 150969.

It is an arithmetic number, because the mean of its divisors is an integer number (476777070).

Almost surely, 2^6142821215 is an apocalyptic number.

6142821215 is a deficient number, since it is larger than the sum of its proper divisors (1485611905).

6142821215 is a wasteful number, since it uses less digits than its factorization.

6142821215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253642.

The product of its digits is 7680, while the sum is 32.

The square root of 6142821215 is about 78376.1520808466. The cubic root of 6142821215 is about 1831.4256476093.

The spelling of 6142821215 in words is "six billion, one hundred forty-two million, eight hundred twenty-one thousand, two hundred fifteen".