470775749161 has 3 divisors (see below), whose sum is σ = 470776435293. Its totient is φ = 470775063030.

The previous prime is 470775749107. The next prime is 470775749231. The reversal of 470775749161 is 161947577074.

The square root of 470775749161 is 686131.

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 470775749161 - 2⁷ = 470775749033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 470775749096 and 470775749105.

It is not an unprimeable number, because it can be changed into a prime (470775729161) 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, 343066 + ... + 1029196.

It is an arithmetic number, because the mean of its divisors is an integer number (156925478431).

Almost surely, 2^470775749161 is an apocalyptic number.

470775749161 is the 686131-st square number.

470775749161 is the 343066-th centered octagonal number.

It is an amenable number.

470775749161 is a deficient number, since it is larger than the sum of its proper divisors (686132).

470775749161 is an frugal number, since it uses more digits than its factorization.

470775749161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372262 (or 686131 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 58.

The spelling of 470775749161 in words is "four hundred seventy billion, seven hundred seventy-five million, seven hundred forty-nine thousand, one hundred sixty-one".