471925720569 has 4 divisors (see below), whose sum is σ = 629234294096. Its totient is φ = 314617147044.

The previous prime is 471925720559. The next prime is 471925720663. The reversal of 471925720569 is 965027529174.

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 not a de Polignac number, because 471925720569 - 2⁵ = 471925720537 is a prime.

It is a super-2 number, since 2×471925720569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (471925720559) 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, 78654286759 + ... + 78654286764.

It is an arithmetic number, because the mean of its divisors is an integer number (157308573524).

Almost surely, 2^471925720569 is an apocalyptic number.

It is an amenable number.

471925720569 is a deficient number, since it is larger than the sum of its proper divisors (157308573527).

471925720569 is a wasteful number, since it uses less digits than its factorization.

471925720569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157308573526.

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 471925720569 in words is "four hundred seventy-one billion, nine hundred twenty-five million, seven hundred twenty thousand, five hundred sixty-nine".