242564487999 has 8 divisors (see below), whose sum is σ = 323446536192. Its totient is φ = 161696049240.

The previous prime is 242564487973. The next prime is 242564488007. The reversal of 242564487999 is 999784465242.

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

It is not a de Polignac number, because 242564487999 - 2⁵ = 242564487967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242564487899) 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, 3360697 + ... + 3432114.

It is an arithmetic number, because the mean of its divisors is an integer number (40430817024).

Almost surely, 2^242564487999 is an apocalyptic number.

242564487999 is a deficient number, since it is larger than the sum of its proper divisors (80882048193).

242564487999 is a wasteful number, since it uses less digits than its factorization.

242564487999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804717.

The product of its digits is 313528320, while the sum is 69.

The spelling of 242564487999 in words is "two hundred forty-two billion, five hundred sixty-four million, four hundred eighty-seven thousand, nine hundred ninety-nine".