518946475430 has 16 divisors (see below), whose sum is σ = 935745324480. Its totient is φ = 207213774912.

The previous prime is 518946475427. The next prime is 518946475457. The reversal of 518946475430 is 34574649815.

It is a happy number.

It is a super-3 number, since 3×518946475430³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 45595934 + ... + 45607313.

It is an arithmetic number, because the mean of its divisors is an integer number (58484082780).

Almost surely, 2^518946475430 is an apocalyptic number.

518946475430 is a deficient number, since it is larger than the sum of its proper divisors (416798849050).

518946475430 is a wasteful number, since it uses less digits than its factorization.

518946475430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91203823.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 518946475430 in words is "five hundred eighteen billion, nine hundred forty-six million, four hundred seventy-five thousand, four hundred thirty".