513642022006 has 4 divisors (see below), whose sum is σ = 770463033012. Its totient is φ = 256821011002.

The previous prime is 513642021899. The next prime is 513642022009. The reversal of 513642022006 is 600220246315.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513642022009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128410505500 + ... + 128410505503.

It is an arithmetic number, because the mean of its divisors is an integer number (192615758253).

Almost surely, 2^513642022006 is an apocalyptic number.

513642022006 is a deficient number, since it is larger than the sum of its proper divisors (256821011006).

513642022006 is a wasteful number, since it uses less digits than its factorization.

513642022006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256821011005.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 513642022006 in words is "five hundred thirteen billion, six hundred forty-two million, twenty-two thousand, six".