190290920773 has 2 divisors, whose sum is σ = 190290920774. Its totient is φ = 190290920772.

The previous prime is 190290920749. The next prime is 190290920791. The reversal of 190290920773 is 377029092091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131948383009 + 58342537764 = 363247^2 + 241542^2 .

It is an emirp because it is prime and its reverse (377029092091) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190290920773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190290920473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95145460386 + 95145460387.

It is an arithmetic number, because the mean of its divisors is an integer number (95145460387).

Almost surely, 2^190290920773 is an apocalyptic number.

It is an amenable number.

190290920773 is a deficient number, since it is larger than the sum of its proper divisors (1).

190290920773 is an equidigital number, since it uses as much as digits as its factorization.

190290920773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 428652, while the sum is 49.

The spelling of 190290920773 in words is "one hundred ninety billion, two hundred ninety million, nine hundred twenty thousand, seven hundred seventy-three".