919469923 has 2 divisors, whose sum is σ = 919469924. Its totient is φ = 919469922.

The previous prime is 919469891. The next prime is 919469927. The reversal of 919469923 is 329964919.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 919469923 - 2⁵ = 919469891 is a prime.

It is not a weakly prime, because it can be changed into another prime (919469927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459734961 + 459734962.

It is an arithmetic number, because the mean of its divisors is an integer number (459734962).

Almost surely, 2^919469923 is an apocalyptic number.

919469923 is a deficient number, since it is larger than the sum of its proper divisors (1).

919469923 is an equidigital number, since it uses as much as digits as its factorization.

919469923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 944784, while the sum is 52.

The square root of 919469923 is about 30322.7624566101. The cubic root of 919469923 is about 972.4019979532.

The spelling of 919469923 in words is "nine hundred nineteen million, four hundred sixty-nine thousand, nine hundred twenty-three".