474847480661 has 4 divisors (see below), whose sum is σ = 474982729824. Its totient is φ = 474712231500.

The previous prime is 474847480643. The next prime is 474847480717. The reversal of 474847480661 is 166084748474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 474847480661 - 2¹⁰ = 474847479637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 474847480661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474847480061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67619315 + ... + 67626336.

It is an arithmetic number, because the mean of its divisors is an integer number (118745682456).

Almost surely, 2^474847480661 is an apocalyptic number.

It is an amenable number.

474847480661 is a deficient number, since it is larger than the sum of its proper divisors (135249163).

474847480661 is a wasteful number, since it uses less digits than its factorization.

474847480661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135249162.

The product of its (nonzero) digits is 28901376, while the sum is 59.

The spelling of 474847480661 in words is "four hundred seventy-four billion, eight hundred forty-seven million, four hundred eighty thousand, six hundred sixty-one".