194955717995 has 16 divisors (see below), whose sum is σ = 244183203072. Its totient is φ = 149143943520.

The previous prime is 194955717967. The next prime is 194955718007. The reversal of 194955717995 is 599717559491.

It is not a de Polignac number, because 194955717995 - 2¹⁶ = 194955652459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214460 + ... + 660230.

It is an arithmetic number, because the mean of its divisors is an integer number (15261450192).

Almost surely, 2^194955717995 is an apocalyptic number.

194955717995 is a deficient number, since it is larger than the sum of its proper divisors (49227485077).

194955717995 is a wasteful number, since it uses less digits than its factorization.

194955717995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449602.

The product of its digits is 160744500, while the sum is 71.

The spelling of 194955717995 in words is "one hundred ninety-four billion, nine hundred fifty-five million, seven hundred seventeen thousand, nine hundred ninety-five".