194203046293 has 4 divisors (see below), whose sum is σ = 194437308940. Its totient is φ = 193968783648.

The previous prime is 194203046269. The next prime is 194203046309. The reversal of 194203046293 is 392640302491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134958512689 + 59244533604 = 367367^2 + 243402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194203046293 is a prime.

It is a super-2 number, since 2×194203046293² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194203044293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117130080 + ... + 117131737.

It is an arithmetic number, because the mean of its divisors is an integer number (48609327235).

Almost surely, 2^194203046293 is an apocalyptic number.

It is an amenable number.

194203046293 is a deficient number, since it is larger than the sum of its proper divisors (234262647).

194203046293 is an equidigital number, since it uses as much as digits as its factorization.

194203046293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234262646.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 194203046293 in words is "one hundred ninety-four billion, two hundred three million, forty-six thousand, two hundred ninety-three".