518464242698 has 4 divisors (see below), whose sum is σ = 777696364050. Its totient is φ = 259232121348.

The previous prime is 518464242697. The next prime is 518464242713. The reversal of 518464242698 is 896242464815.

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., 508458841969 + 10005400729 = 713063^2 + 100027^2 .

It is not an unprimeable number, because it can be changed into a prime (518464242697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129616060673 + ... + 129616060676.

Almost surely, 2^518464242698 is an apocalyptic number.

518464242698 is a deficient number, since it is larger than the sum of its proper divisors (259232121352).

518464242698 is a wasteful number, since it uses less digits than its factorization.

518464242698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259232121351.

The product of its digits is 26542080, while the sum is 59.

The spelling of 518464242698 in words is "five hundred eighteen billion, four hundred sixty-four million, two hundred forty-two thousand, six hundred ninety-eight".