242635619 has 8 divisors (see below), whose sum is σ = 244171200. Its totient is φ = 241105536.

The previous prime is 242635607. The next prime is 242635637. The reversal of 242635619 is 916536242.

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

It is a cyclic number.

It is not a de Polignac number, because 242635619 - 2¹² = 242631523 is a prime.

It is a super-2 number, since 2×242635619² = 117744087215026322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242638619) 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, 116582 + ... + 118644.

It is an arithmetic number, because the mean of its divisors is an integer number (30521400).

Almost surely, 2^242635619 is an apocalyptic number.

242635619 is a deficient number, since it is larger than the sum of its proper divisors (1535581).

242635619 is a wasteful number, since it uses less digits than its factorization.

242635619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749.

The product of its digits is 77760, while the sum is 38.

The square root of 242635619 is about 15576.7653574162. The cubic root of 242635619 is about 623.7130801719.

The spelling of 242635619 in words is "two hundred forty-two million, six hundred thirty-five thousand, six hundred nineteen".