475239309486 has 32 divisors (see below), whose sum is σ = 982839856128. Its totient is φ = 153037278720.

The previous prime is 475239309473. The next prime is 475239309497. The reversal of 475239309486 is 684903932574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2106760 + ... + 2321403.

It is an arithmetic number, because the mean of its divisors is an integer number (30713745504).

Almost surely, 2^475239309486 is an apocalyptic number.

475239309486 is an abundant number, since it is smaller than the sum of its proper divisors (507600546642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475239309486 is a wasteful number, since it uses less digits than its factorization.

475239309486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428776.

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 475239309486 in words is "four hundred seventy-five billion, two hundred thirty-nine million, three hundred nine thousand, four hundred eighty-six".