471291989064 has 128 divisors (see below), whose sum is σ = 1294926622080. Its totient is φ = 142058188800.

The previous prime is 471291989029. The next prime is 471291989101. The reversal of 471291989064 is 460989192174.

It is a super-2 number, since 2×471291989064² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 471291988989 and 471291989007.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3721344 + ... + 3845904.

It is an arithmetic number, because the mean of its divisors is an integer number (10116614235).

Almost surely, 2^471291989064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 471291989064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647463311040).

471291989064 is an abundant number, since it is smaller than the sum of its proper divisors (823634633016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

471291989064 is a wasteful number, since it uses less digits than its factorization.

471291989064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124831 (or 124827 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 471291989064 in words is "four hundred seventy-one billion, two hundred ninety-one million, nine hundred eighty-nine thousand, sixty-four".