194435185852 has 12 divisors (see below), whose sum is σ = 340300011240. Its totient is φ = 97206611216.

The previous prime is 194435185837. The next prime is 194435185877. The reversal of 194435185852 is 258581534491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 194435185793 and 194435185802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2705527 + ... + 2776462.

It is an arithmetic number, because the mean of its divisors is an integer number (28358334270).

Almost surely, 2^194435185852 is an apocalyptic number.

It is an amenable number.

194435185852 is a deficient number, since it is larger than the sum of its proper divisors (145864825388).

194435185852 is a wasteful number, since it uses less digits than its factorization.

194435185852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490860 (or 5490858 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 55.

The spelling of 194435185852 in words is "one hundred ninety-four billion, four hundred thirty-five million, one hundred eighty-five thousand, eight hundred fifty-two".