4242720012827 has 4 divisors (see below), whose sum is σ = 4242751741536. Its totient is φ = 4242688284120.

The previous prime is 4242720012781. The next prime is 4242720012847. The reversal of 4242720012827 is 7282100272424.

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

It is a cyclic number.

It is not a de Polignac number, because 4242720012827 - 2²⁴ = 4242703235611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242720012847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15662924 + ... + 15931497.

It is an arithmetic number, because the mean of its divisors is an integer number (1060687935384).

Almost surely, 2^{4242720012827} is an apocalyptic number.

4242720012827 is a deficient number, since it is larger than the sum of its proper divisors (31728709).

4242720012827 is a wasteful number, since it uses less digits than its factorization.

4242720012827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31728708.

The product of its (nonzero) digits is 200704, while the sum is 41.

The spelling of 4242720012827 in words is "four trillion, two hundred forty-two billion, seven hundred twenty million, twelve thousand, eight hundred twenty-seven".