919452073922 has 18 divisors (see below), whose sum is σ = 1383600097593. Its totient is φ = 458256743784.

The previous prime is 919452073909. The next prime is 919452073933. The reversal of 919452073922 is 229370254919.

It can be written as a sum of positive squares in 2 ways, for example, as 669551064121 + 249901009801 = 818261^2 + 499901^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=678031.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 513946604 + ... + 513948392.

Almost surely, 2^919452073922 is an apocalyptic number.

919452073922 is a deficient number, since it is larger than the sum of its proper divisors (464148023671).

919452073922 is an frugal number, since it uses more digits than its factorization.

919452073922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 919452073922 in words is "nine hundred nineteen billion, four hundred fifty-two million, seventy-three thousand, nine hundred twenty-two".