472131919 has 8 divisors (see below), whose sum is σ = 558185760. Its totient is φ = 390729696.

The previous prime is 472131911. The next prime is 472131937. The reversal of 472131919 is 919131274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 472131919 - 2³ = 472131911 is a prime.

It is a super-2 number, since 2×472131919² = 445817097877245122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472131911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162684 + ... + 1163089.

It is an arithmetic number, because the mean of its divisors is an integer number (69773220).

Almost surely, 2^472131919 is an apocalyptic number.

472131919 is a deficient number, since it is larger than the sum of its proper divisors (86053841).

472131919 is a wasteful number, since it uses less digits than its factorization.

472131919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325809.

The product of its digits is 13608, while the sum is 37.

The square root of 472131919 is about 21728.5968023708. The cubic root of 472131919 is about 778.6718131685.

The spelling of 472131919 in words is "four hundred seventy-two million, one hundred thirty-one thousand, nine hundred nineteen".