919472799 has 12 divisors (see below), whose sum is σ = 1426121304. Its totient is φ = 525412944.

The previous prime is 919472773. The next prime is 919472809. The reversal of 919472799 is 997274919.

It is not a de Polignac number, because 919472799 - 2⁹ = 919472287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919472759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3127312 + ... + 3127605.

It is an arithmetic number, because the mean of its divisors is an integer number (118843442).

Almost surely, 2^919472799 is an apocalyptic number.

919472799 is a deficient number, since it is larger than the sum of its proper divisors (506648505).

919472799 is a wasteful number, since it uses less digits than its factorization.

919472799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6254934 (or 6254927 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 57.

The square root of 919472799 is about 30322.8098796929. The cubic root of 919472799 is about 972.4030118073.

The spelling of 919472799 in words is "nine hundred nineteen million, four hundred seventy-two thousand, seven hundred ninety-nine".