513151014422 has 4 divisors (see below), whose sum is σ = 769726521636. Its totient is φ = 256575507210.

The previous prime is 513151014421. The next prime is 513151014473. The reversal of 513151014422 is 224410151315.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513151014421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128287753604 + ... + 128287753607.

It is an arithmetic number, because the mean of its divisors is an integer number (192431630409).

Almost surely, 2^513151014422 is an apocalyptic number.

513151014422 is a deficient number, since it is larger than the sum of its proper divisors (256575507214).

513151014422 is a wasteful number, since it uses less digits than its factorization.

513151014422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256575507213.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 513151014422 its reverse (224410151315), we get a palindrome (737561165737).

The spelling of 513151014422 in words is "five hundred thirteen billion, one hundred fifty-one million, fourteen thousand, four hundred twenty-two".