472961819 has 4 divisors (see below), whose sum is σ = 515958360. Its totient is φ = 429965280.

The previous prime is 472961803. The next prime is 472961821. The reversal of 472961819 is 918169274.

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 472961819 - 2⁴ = 472961803 is a prime.

It is a super-2 number, since 2×472961819² = 447385764463577522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472961849) 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, 21498254 + ... + 21498275.

It is an arithmetic number, because the mean of its divisors is an integer number (128989590).

Almost surely, 2^472961819 is an apocalyptic number.

472961819 is a deficient number, since it is larger than the sum of its proper divisors (42996541).

472961819 is a wasteful number, since it uses less digits than its factorization.

472961819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42996540.

The product of its digits is 217728, while the sum is 47.

The square root of 472961819 is about 21747.6853710918. The cubic root of 472961819 is about 779.1277884624.

The spelling of 472961819 in words is "four hundred seventy-two million, nine hundred sixty-one thousand, eight hundred nineteen".