513442534513442 has 8 divisors (see below), whose sum is σ = 773813867182032. Its totient is φ = 255504578786100.

The previous prime is 513442534513399. The next prime is 513442534513457. The reversal of 513442534513442 is 244315435244315.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608344234784 + ... + 608344235627.

It is an arithmetic number, because the mean of its divisors is an integer number (96726733397754).

Almost surely, 2^{513442534513442} is an apocalyptic number.

513442534513442 is a deficient number, since it is larger than the sum of its proper divisors (260371332668590).

513442534513442 is a wasteful number, since it uses less digits than its factorization.

513442534513442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216688470624.

The product of its digits is 13824000, while the sum is 50.

Adding to 513442534513442 its reverse (244315435244315), we get a palindrome (757757969757757).

The spelling of 513442534513442 in words is "five hundred thirteen trillion, four hundred forty-two billion, five hundred thirty-four million, five hundred thirteen thousand, four hundred forty-two".