919493420841 has 16 divisors (see below), whose sum is σ = 1395437171520. Its totient is φ = 598044500640.

The previous prime is 919493420803. The next prime is 919493420843. The reversal of 919493420841 is 148024394919.

919493420841 is a `hidden beast` number, since 9 + 1 + 94 + 93 + 420 + 8 + 41 = 666.

It is not a de Polignac number, because 919493420841 - 2¹⁷ = 919493289769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (919493420843) 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 15 ways as a sum of consecutive naturals, for example, 415307575 + ... + 415309788.

It is an arithmetic number, because the mean of its divisors is an integer number (87214823220).

Almost surely, 2^919493420841 is an apocalyptic number.

It is an amenable number.

919493420841 is a deficient number, since it is larger than the sum of its proper divisors (475943750679).

919493420841 is a wasteful number, since it uses less digits than its factorization.

919493420841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830617413 (or 830617407 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 919493420841 in words is "nine hundred nineteen billion, four hundred ninety-three million, four hundred twenty thousand, eight hundred forty-one".