242545004219 has 16 divisors (see below), whose sum is σ = 277995157440. Its totient is φ = 207295303680.

The previous prime is 242545004209. The next prime is 242545004239. The reversal of 242545004219 is 912400545242.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 242545004219 - 2³⁶ = 173825527483 is a prime.

It is a super-2 number, since 2×242545004219² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242545004209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24227687 + ... + 24237695.

It is an arithmetic number, because the mean of its divisors is an integer number (17374697340).

Almost surely, 2^242545004219 is an apocalyptic number.

242545004219 is a deficient number, since it is larger than the sum of its proper divisors (35450153221).

242545004219 is a wasteful number, since it uses less digits than its factorization.

242545004219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19670.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 242545004219 in words is "two hundred forty-two billion, five hundred forty-five million, four thousand, two hundred nineteen".