194995998029 has 16 divisors (see below), whose sum is σ = 223606325376. Its totient is φ = 166575052800.

The previous prime is 194995998023. The next prime is 194995998047. The reversal of 194995998029 is 920899599491.

It is a cyclic number.

It is not a de Polignac number, because 194995998029 - 2¹⁶ = 194995932493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194995998023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2481389 + ... + 2558765.

It is an arithmetic number, because the mean of its divisors is an integer number (13975395336).

Almost surely, 2^194995998029 is an apocalyptic number.

It is an amenable number.

194995998029 is a deficient number, since it is larger than the sum of its proper divisors (28610327347).

194995998029 is an equidigital number, since it uses as much as digits as its factorization.

194995998029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78596.

The product of its (nonzero) digits is 170061120, while the sum is 74.

The spelling of 194995998029 in words is "one hundred ninety-four billion, nine hundred ninety-five million, nine hundred ninety-eight thousand, twenty-nine".