194079939297 has 8 divisors (see below), whose sum is σ = 258781504800. Its totient is φ = 129382500000.

The previous prime is 194079939283. The next prime is 194079939299. The reversal of 194079939297 is 792939970491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 194079939297 - 2¹⁵ = 194079906529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194079939299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920079 + ... + 1111172.

It is an arithmetic number, because the mean of its divisors is an integer number (32347688100).

Almost surely, 2^194079939297 is an apocalyptic number.

It is an amenable number.

194079939297 is a deficient number, since it is larger than the sum of its proper divisors (64701565503).

194079939297 is a wasteful number, since it uses less digits than its factorization.

194079939297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063103.

The product of its (nonzero) digits is 69441624, while the sum is 69.

The spelling of 194079939297 in words is "one hundred ninety-four billion, seventy-nine million, nine hundred thirty-nine thousand, two hundred ninety-seven".