471616445 has 4 divisors (see below), whose sum is σ = 565939740. Its totient is φ = 377293152.

The previous prime is 471616381. The next prime is 471616447. The reversal of 471616445 is 544616174.

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 357852889 + 113763556 = 18917^2 + 10666^2 .

It is a cyclic number.

It is not a de Polignac number, because 471616445 - 2⁶ = 471616381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 471616399 and 471616408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471616447) 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, 47161640 + ... + 47161649.

It is an arithmetic number, because the mean of its divisors is an integer number (141484935).

Almost surely, 2^471616445 is an apocalyptic number.

It is an amenable number.

471616445 is a deficient number, since it is larger than the sum of its proper divisors (94323295).

471616445 is an equidigital number, since it uses as much as digits as its factorization.

471616445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94323294.

The product of its digits is 80640, while the sum is 38.

The square root of 471616445 is about 21716.7319134349. The cubic root of 471616445 is about 778.3883251403.

The spelling of 471616445 in words is "four hundred seventy-one million, six hundred sixteen thousand, four hundred forty-five".