475861289929 has 3 divisors (see below), whose sum is σ = 475861979757. Its totient is φ = 475860600102.

The previous prime is 475861289927. The next prime is 475861289941. The reversal of 475861289929 is 929982168574.

The square root of 475861289929 is 689827.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 475861289929 - 2¹ = 475861289927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475861289927) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 344914 + ... + 1034740.

It is an arithmetic number, because the mean of its divisors is an integer number (158620659919).

Almost surely, 2^475861289929 is an apocalyptic number.

475861289929 is the 689827-th square number.

475861289929 is the 344914-th centered octagonal number.

It is an amenable number.

475861289929 is a deficient number, since it is larger than the sum of its proper divisors (689828).

475861289929 is an frugal number, since it uses more digits than its factorization.

475861289929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379654 (or 689827 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 70.

The spelling of 475861289929 in words is "four hundred seventy-five billion, eight hundred sixty-one million, two hundred eighty-nine thousand, nine hundred twenty-nine".