242662749147 has 36 divisors (see below), whose sum is σ = 439104032640. Its totient is φ = 127997930592.

The previous prime is 242662749101. The next prime is 242662749157. The reversal of 242662749147 is 741947266242.

242662749147 is a `hidden beast` number, since 2 + 4 + 2 + 6 + 627 + 4 + 9 + 1 + 4 + 7 = 666.

It is not a de Polignac number, because 242662749147 - 2¹⁵ = 242662716379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242662749093 and 242662749102.

It is not an unprimeable number, because it can be changed into a prime (242662749157) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21157947 + ... + 21169412.

It is an arithmetic number, because the mean of its divisors is an integer number (12197334240).

Almost surely, 2^242662749147 is an apocalyptic number.

242662749147 is a deficient number, since it is larger than the sum of its proper divisors (196441283493).

242662749147 is a wasteful number, since it uses less digits than its factorization.

242662749147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42327392 (or 42327382 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 242662749147 in words is "two hundred forty-two billion, six hundred sixty-two million, seven hundred forty-nine thousand, one hundred forty-seven".