919228374242 has 16 divisors (see below), whose sum is σ = 1439241670080. Its totient is φ = 439493635152.

The previous prime is 919228374241. The next prime is 919228374247. The reversal of 919228374242 is 242473822919.

919228374242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (919228374241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2972117 + ... + 3266792.

It is an arithmetic number, because the mean of its divisors is an integer number (89952604380).

Almost surely, 2^919228374242 is an apocalyptic number.

919228374242 is a deficient number, since it is larger than the sum of its proper divisors (520013295838).

919228374242 is a wasteful number, since it uses less digits than its factorization.

919228374242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242137.

The product of its digits is 3483648, while the sum is 53.

The spelling of 919228374242 in words is "nine hundred nineteen billion, two hundred twenty-eight million, three hundred seventy-four thousand, two hundred forty-two".