919497912 has 32 divisors (see below), whose sum is σ = 2300686080. Its totient is φ = 306240480.

The previous prime is 919497911. The next prime is 919497937. The reversal of 919497912 is 219794919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919497911) 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 7 ways as a sum of consecutive naturals, for example, 13983 + ... + 45105.

It is an arithmetic number, because the mean of its divisors is an integer number (71896440).

Almost surely, 2^919497912 is an apocalyptic number.

It is an amenable number.

919497912 is an abundant number, since it is smaller than the sum of its proper divisors (1381188168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

919497912 is a wasteful number, since it uses less digits than its factorization.

919497912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32363 (or 32359 counting only the distinct ones).

The product of its digits is 367416, while the sum is 51.

The square root of 919497912 is about 30323.2239710754. The cubic root of 919497912 is about 972.4118646103.

The spelling of 919497912 in words is "nine hundred nineteen million, four hundred ninety-seven thousand, nine hundred twelve".