190193951293 has 2 divisors, whose sum is σ = 190193951294. Its totient is φ = 190193951292.

The previous prime is 190193951273. The next prime is 190193951327. The reversal of 190193951293 is 392159391091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123230485764 + 66963465529 = 351042^2 + 258773^2 .

It is a cyclic number.

It is not a de Polignac number, because 190193951293 - 2²¹ = 190191854141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190193951293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190193951273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95096975646 + 95096975647.

It is an arithmetic number, because the mean of its divisors is an integer number (95096975647).

Almost surely, 2^190193951293 is an apocalyptic number.

It is an amenable number.

190193951293 is a deficient number, since it is larger than the sum of its proper divisors (1).

190193951293 is an equidigital number, since it uses as much as digits as its factorization.

190193951293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 590490, while the sum is 52.

The spelling of 190193951293 in words is "one hundred ninety billion, one hundred ninety-three million, nine hundred fifty-one thousand, two hundred ninety-three".