242435451321 has 96 divisors (see below), whose sum is σ = 422078342400. Its totient is φ = 131164669440.

The previous prime is 242435451319. The next prime is 242435451367. The reversal of 242435451321 is 123154534242.

It is a happy number.

242435451321 is a `hidden beast` number, since 2 + 42 + 43 + 545 + 1 + 32 + 1 = 666.

It is not a de Polignac number, because 242435451321 - 2¹ = 242435451319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242435451311) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38668975 + ... + 38675243.

It is an arithmetic number, because the mean of its divisors is an integer number (4396649400).

Almost surely, 2^242435451321 is an apocalyptic number.

242435451321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

242435451321 is a deficient number, since it is larger than the sum of its proper divisors (179642891079).

242435451321 is a wasteful number, since it uses less digits than its factorization.

242435451321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719 (or 6716 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 242435451321 its reverse (123154534242), we get a palindrome (365589985563).

The spelling of 242435451321 in words is "two hundred forty-two billion, four hundred thirty-five million, four hundred fifty-one thousand, three hundred twenty-one".