242962621505 has 16 divisors (see below), whose sum is σ = 307260045120. Its totient is φ = 183924157248.

The previous prime is 242962621481. The next prime is 242962621511. The reversal of 242962621505 is 505126269242.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 242962621505 - 2²⁰ = 242961572929 is a prime.

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, 1418087 + ... + 1580156.

It is an arithmetic number, because the mean of its divisors is an integer number (19203752820).

Almost surely, 2^242962621505 is an apocalyptic number.

It is an amenable number.

242962621505 is a deficient number, since it is larger than the sum of its proper divisors (64297423615).

242962621505 is a wasteful number, since it uses less digits than its factorization.

242962621505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999120.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 242962621505 in words is "two hundred forty-two billion, nine hundred sixty-two million, six hundred twenty-one thousand, five hundred five".