919499329 has 4 divisors (see below), whose sum is σ = 1050856384. Its totient is φ = 788142276.

The previous prime is 919499311. The next prime is 919499341. The reversal of 919499329 is 923994919.

919499329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 923994919 = 1301 ⋅710219.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-919499329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 919499329.

It is not an unprimeable number, because it can be changed into a prime (919499309) 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, 65678517 + ... + 65678530.

It is an arithmetic number, because the mean of its divisors is an integer number (262714096).

Almost surely, 2^919499329 is an apocalyptic number.

It is an amenable number.

919499329 is a deficient number, since it is larger than the sum of its proper divisors (131357055).

919499329 is a wasteful number, since it uses less digits than its factorization.

919499329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131357054.

The product of its digits is 1417176, while the sum is 55.

The square root of 919499329 is about 30323.2473359962. The cubic root of 919499329 is about 972.4123641245.

The spelling of 919499329 in words is "nine hundred nineteen million, four hundred ninety-nine thousand, three hundred twenty-nine".