471601902889 has 4 divisors (see below), whose sum is σ = 507878972356. Its totient is φ = 435324833424.

The previous prime is 471601902829. The next prime is 471601902901. The reversal of 471601902889 is 988209106174.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24987705625 + 446614197264 = 158075^2 + 668292^2 .

It is not a de Polignac number, because 471601902889 - 2⁹ = 471601902377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471601902809) 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, 18138534714 + ... + 18138534739.

It is an arithmetic number, because the mean of its divisors is an integer number (126969743089).

Almost surely, 2^471601902889 is an apocalyptic number.

It is an amenable number.

471601902889 is a deficient number, since it is larger than the sum of its proper divisors (36277069467).

471601902889 is a wasteful number, since it uses less digits than its factorization.

471601902889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36277069466.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 471601902889 in words is "four hundred seventy-one billion, six hundred one million, nine hundred two thousand, eight hundred eighty-nine".