190387342840403 has 2 divisors, whose sum is σ = 190387342840404. Its totient is φ = 190387342840402.

The previous prime is 190387342840399. The next prime is 190387342840459. The reversal of 190387342840403 is 304048243783091.

It is a happy number.

It is an a-pointer prime, because the next prime (190387342840459) can be obtained adding 190387342840403 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190387342840403 - 2² = 190387342840399 is a prime.

It is not a weakly prime, because it can be changed into another prime (190387342840703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95193671420201 + 95193671420202.

It is an arithmetic number, because the mean of its divisors is an integer number (95193671420202).

Almost surely, 2^{190387342840403} is an apocalyptic number.

190387342840403 is a deficient number, since it is larger than the sum of its proper divisors (1).

190387342840403 is an equidigital number, since it uses as much as digits as its factorization.

190387342840403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 190387342840403 in words is "one hundred ninety trillion, three hundred eighty-seven billion, three hundred forty-two million, eight hundred forty thousand, four hundred three".