342021453530 has 8 divisors (see below), whose sum is σ = 615638616372. Its totient is φ = 136808581408.

The previous prime is 342021453491. The next prime is 342021453601. The reversal of 342021453530 is 35354120243.

It can be written as a sum of positive squares in 2 ways, for example, as 339053492089 + 2967961441 = 582283^2 + 54479^2 .

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

It is a super-3 number, since 3×342021453530³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17101072667 + ... + 17101072686.

Almost surely, 2^342021453530 is an apocalyptic number.

342021453530 is a deficient number, since it is larger than the sum of its proper divisors (273617162842).

342021453530 is a wasteful number, since it uses less digits than its factorization.

342021453530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34202145360.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 342021453530 its reverse (35354120243), we get a palindrome (377375573773).

The spelling of 342021453530 in words is "three hundred forty-two billion, twenty-one million, four hundred fifty-three thousand, five hundred thirty".