190928743 has 2 divisors, whose sum is σ = 190928744. Its totient is φ = 190928742.

The previous prime is 190928741. The next prime is 190928753. The reversal of 190928743 is 347829091.

It is a weak prime.

It is an emirp because it is prime and its reverse (347829091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190928743 - 2¹ = 190928741 is a prime.

Together with 190928741, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 190928743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190928741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95464371 + 95464372.

It is an arithmetic number, because the mean of its divisors is an integer number (95464372).

Almost surely, 2^190928743 is an apocalyptic number.

190928743 is a deficient number, since it is larger than the sum of its proper divisors (1).

190928743 is an equidigital number, since it uses as much as digits as its factorization.

190928743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 190928743 is about 13817.6967328133. The cubic root of 190928743 is about 575.8248959362.

The spelling of 190928743 in words is "one hundred ninety million, nine hundred twenty-eight thousand, seven hundred forty-three".