4242154221807 has 8 divisors (see below), whose sum is σ = 5724352685184. Its totient is φ = 2794029286488.

The previous prime is 4242154221803. The next prime is 4242154221869. The reversal of 4242154221807 is 7081224512424.

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

It is not a de Polignac number, because 4242154221807 - 2² = 4242154221803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242154221803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8518381723 + ... + 8518382220.

It is an arithmetic number, because the mean of its divisors is an integer number (715544085648).

Almost surely, 2^{4242154221807} is an apocalyptic number.

4242154221807 is a deficient number, since it is larger than the sum of its proper divisors (1482198463377).

4242154221807 is a wasteful number, since it uses less digits than its factorization.

4242154221807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17036764029.

The product of its (nonzero) digits is 286720, while the sum is 42.

The spelling of 4242154221807 in words is "four trillion, two hundred forty-two billion, one hundred fifty-four million, two hundred twenty-one thousand, eight hundred seven".