477794670493 has 4 divisors (see below), whose sum is σ = 546051052000. Its totient is φ = 409538288988.

The previous prime is 477794670487. The next prime is 477794670533. The reversal of 477794670493 is 394076497774.

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 a de Polignac number, because none of the positive numbers 2^k-477794670493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477794670403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34128190743 + ... + 34128190756.

It is an arithmetic number, because the mean of its divisors is an integer number (136512763000).

Almost surely, 2^477794670493 is an apocalyptic number.

It is an amenable number.

477794670493 is a deficient number, since it is larger than the sum of its proper divisors (68256381507).

477794670493 is an equidigital number, since it uses as much as digits as its factorization.

477794670493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68256381506.

The product of its (nonzero) digits is 224042112, while the sum is 67.

The spelling of 477794670493 in words is "four hundred seventy-seven billion, seven hundred ninety-four million, six hundred seventy thousand, four hundred ninety-three".