471391577493 has 8 divisors (see below), whose sum is σ = 628527038208. Its totient is φ = 314258584224.

The previous prime is 471391577483. The next prime is 471391577521. The reversal of 471391577493 is 394775193174.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 471391577493 - 2⁴ = 471391577477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471391577413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112080 + ... + 977417.

It is an arithmetic number, because the mean of its divisors is an integer number (78565879776).

Almost surely, 2^471391577493 is an apocalyptic number.

It is an amenable number.

471391577493 is a deficient number, since it is larger than the sum of its proper divisors (157135460715).

471391577493 is a wasteful number, since it uses less digits than its factorization.

471391577493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233723.

The product of its digits is 20003760, while the sum is 60.

The spelling of 471391577493 in words is "four hundred seventy-one billion, three hundred ninety-one million, five hundred seventy-seven thousand, four hundred ninety-three".