518863970707 has 2 divisors, whose sum is σ = 518863970708. Its totient is φ = 518863970706.

The previous prime is 518863970699. The next prime is 518863970743. The reversal of 518863970707 is 707079368815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 518863970707 - 2³ = 518863970699 is a prime.

It is a super-4 number, since 4×518863970707⁴ (a number of 48 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (518863970747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259431985353 + 259431985354.

It is an arithmetic number, because the mean of its divisors is an integer number (259431985354).

Almost surely, 2^518863970707 is an apocalyptic number.

518863970707 is a deficient number, since it is larger than the sum of its proper divisors (1).

518863970707 is an equidigital number, since it uses as much as digits as its factorization.

518863970707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17781120, while the sum is 61.

The spelling of 518863970707 in words is "five hundred eighteen billion, eight hundred sixty-three million, nine hundred seventy thousand, seven hundred seven".