471909290644 has 24 divisors (see below), whose sum is σ = 902564798688. Its totient is φ = 214112065440.

The previous prime is 471909290639. The next prime is 471909290647. The reversal of 471909290644 is 446092909174.

It is a super-2 number, since 2×471909290644² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471909290647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9779599 + ... + 9827734.

It is an arithmetic number, because the mean of its divisors is an integer number (37606866612).

Almost surely, 2^471909290644 is an apocalyptic number.

471909290644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

471909290644 is a deficient number, since it is larger than the sum of its proper divisors (430655508044).

471909290644 is a wasteful number, since it uses less digits than its factorization.

471909290644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19607895 (or 19607893 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 471909290644 in words is "four hundred seventy-one billion, nine hundred nine million, two hundred ninety thousand, six hundred forty-four".