513216423662 has 4 divisors (see below), whose sum is σ = 769824635496. Its totient is φ = 256608211830.

The previous prime is 513216423641. The next prime is 513216423701. The reversal of 513216423662 is 266324612315.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128304105914 + ... + 128304105917.

It is an arithmetic number, because the mean of its divisors is an integer number (192456158874).

Almost surely, 2^513216423662 is an apocalyptic number.

513216423662 is a deficient number, since it is larger than the sum of its proper divisors (256608211834).

513216423662 is a wasteful number, since it uses less digits than its factorization.

513216423662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256608211833.

The product of its digits is 311040, while the sum is 41.

The spelling of 513216423662 in words is "five hundred thirteen billion, two hundred sixteen million, four hundred twenty-three thousand, six hundred sixty-two".