194498906922743 has 2 divisors, whose sum is σ = 194498906922744. Its totient is φ = 194498906922742.

The previous prime is 194498906922553. The next prime is 194498906922751. The reversal of 194498906922743 is 347229609894491.

It is a strong prime.

It is an emirp because it is prime and its reverse (347229609894491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194498906922743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194498906922043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97249453461371 + 97249453461372.

It is an arithmetic number, because the mean of its divisors is an integer number (97249453461372).

Almost surely, 2^{194498906922743} is an apocalyptic number.

194498906922743 is a deficient number, since it is larger than the sum of its proper divisors (1).

194498906922743 is an equidigital number, since it uses as much as digits as its factorization.

194498906922743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693052928, while the sum is 77.

The spelling of 194498906922743 in words is "one hundred ninety-four trillion, four hundred ninety-eight billion, nine hundred six million, nine hundred twenty-two thousand, seven hundred forty-three".