194746494339 has 6 divisors (see below), whose sum is σ = 281300491836. Its totient is φ = 129830996220.

The previous prime is 194746494337. The next prime is 194746494361. The reversal of 194746494339 is 933494647491.

194746494339 is a `hidden beast` number, since 1 + 94 + 74 + 6 + 49 + 433 + 9 = 666.

It is not a de Polignac number, because 194746494339 - 2¹ = 194746494337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194746494337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10819249677 + ... + 10819249694.

It is an arithmetic number, because the mean of its divisors is an integer number (46883415306).

Almost surely, 2^194746494339 is an apocalyptic number.

194746494339 is a deficient number, since it is larger than the sum of its proper divisors (86553997497).

194746494339 is a wasteful number, since it uses less digits than its factorization.

194746494339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21638499377 (or 21638499374 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 63.

The spelling of 194746494339 in words is "one hundred ninety-four billion, seven hundred forty-six million, four hundred ninety-four thousand, three hundred thirty-nine".