514021243042 has 4 divisors (see below), whose sum is σ = 771031864566. Its totient is φ = 257010621520.

The previous prime is 514021243037. The next prime is 514021243061. The reversal of 514021243042 is 240342120415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 431542572561 + 82478670481 = 656919^2 + 287191^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 514021243042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128505310759 + ... + 128505310762.

Almost surely, 2^514021243042 is an apocalyptic number.

514021243042 is a deficient number, since it is larger than the sum of its proper divisors (257010621524).

514021243042 is a wasteful number, since it uses less digits than its factorization.

514021243042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257010621523.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 514021243042 its reverse (240342120415), we get a palindrome (754363363457).

The spelling of 514021243042 in words is "five hundred fourteen billion, twenty-one million, two hundred forty-three thousand, forty-two".