404217853694 has 4 divisors (see below), whose sum is σ = 606326780544. Its totient is φ = 202108926846.

The previous prime is 404217853687. The next prime is 404217853703. The reversal of 404217853694 is 496358712404.

It is a semiprime because it is the product of two primes.

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, 101054463422 + ... + 101054463425.

It is an arithmetic number, because the mean of its divisors is an integer number (151581695136).

It is a 1-persistent number, because it is pandigital, but 2⋅404217853694 = 808435707388 is not.

Almost surely, 2^404217853694 is an apocalyptic number.

404217853694 is a deficient number, since it is larger than the sum of its proper divisors (202108926850).

404217853694 is a wasteful number, since it uses less digits than its factorization.

404217853694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202108926849.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 404217853694 in words is "four hundred four billion, two hundred seventeen million, eight hundred fifty-three thousand, six hundred ninety-four".