194936705475 has 24 divisors (see below), whose sum is σ = 322928609520. Its totient is φ = 103761966720.

The previous prime is 194936705461. The next prime is 194936705477. The reversal of 194936705475 is 574507639491.

It is not a de Polignac number, because 194936705475 - 2⁷ = 194936705347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194936705477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2515024 + ... + 2591373.

It is an arithmetic number, because the mean of its divisors is an integer number (13455358730).

Almost surely, 2^194936705475 is an apocalyptic number.

194936705475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

194936705475 is a deficient number, since it is larger than the sum of its proper divisors (127991904045).

194936705475 is a wasteful number, since it uses less digits than its factorization.

194936705475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106919 (or 5106914 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 60.

The spelling of 194936705475 in words is "one hundred ninety-four billion, nine hundred thirty-six million, seven hundred five thousand, four hundred seventy-five".