471938911 has 4 divisors (see below), whose sum is σ = 473128072. Its totient is φ = 470749752.

The previous prime is 471938899. The next prime is 471939029. The reversal of 471938911 is 119839174.

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

It is a cyclic number.

It is not a de Polignac number, because 471938911 - 2⁷ = 471938783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471938611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593985 + ... + 594778.

It is an arithmetic number, because the mean of its divisors is an integer number (118282018).

Almost surely, 2^471938911 is an apocalyptic number.

471938911 is a deficient number, since it is larger than the sum of its proper divisors (1189161).

471938911 is a wasteful number, since it uses less digits than its factorization.

471938911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189160.

The product of its digits is 54432, while the sum is 43.

The square root of 471938911 is about 21724.1550123359. The cubic root of 471938911 is about 778.5656914347.

The spelling of 471938911 in words is "four hundred seventy-one million, nine hundred thirty-eight thousand, nine hundred eleven".