243421362514 has 32 divisors (see below), whose sum is σ = 401189334912. Its totient is φ = 109853520000.

The previous prime is 243421362511. The next prime is 243421362533. The reversal of 243421362514 is 415263124342.

It is not an unprimeable number, because it can be changed into a prime (243421362511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1641339 + ... + 1783489.

It is an arithmetic number, because the mean of its divisors is an integer number (12537166716).

Almost surely, 2^243421362514 is an apocalyptic number.

243421362514 is a deficient number, since it is larger than the sum of its proper divisors (157767972398).

243421362514 is a wasteful number, since it uses less digits than its factorization.

243421362514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142722.

The product of its digits is 138240, while the sum is 37.

Adding to 243421362514 its reverse (415263124342), we get a palindrome (658684486856).

The spelling of 243421362514 in words is "two hundred forty-three billion, four hundred twenty-one million, three hundred sixty-two thousand, five hundred fourteen".