904494194854 has 4 divisors (see below), whose sum is σ = 1356741292284. Its totient is φ = 452247097426.

The previous prime is 904494194827. The next prime is 904494194893. The reversal of 904494194854 is 458491494409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 458491494409 = 13 ⋅35268576493.

It is a junction number, because it is equal to n+sod(n) for n = 904494194792 and 904494194801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226123548712 + ... + 226123548715.

It is an arithmetic number, because the mean of its divisors is an integer number (339185323071).

Almost surely, 2^904494194854 is an apocalyptic number.

904494194854 is a deficient number, since it is larger than the sum of its proper divisors (452247097430).

904494194854 is a wasteful number, since it uses less digits than its factorization.

904494194854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452247097429.

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 904494194854 in words is "nine hundred four billion, four hundred ninety-four million, one hundred ninety-four thousand, eight hundred fifty-four".