192820090901 has 2 divisors, whose sum is σ = 192820090902. Its totient is φ = 192820090900.

The previous prime is 192820090873. The next prime is 192820090987. The reversal of 192820090901 is 109090028291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96612180625 + 96207910276 = 310825^2 + 310174^2 .

It is a cyclic number.

It is not a de Polignac number, because 192820090901 - 2²² = 192815896597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192820090201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96410045450 + 96410045451.

It is an arithmetic number, because the mean of its divisors is an integer number (96410045451).

Almost surely, 2^192820090901 is an apocalyptic number.

It is an amenable number.

192820090901 is a deficient number, since it is larger than the sum of its proper divisors (1).

192820090901 is an equidigital number, since it uses as much as digits as its factorization.

192820090901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 192820090901 in words is "one hundred ninety-two billion, eight hundred twenty million, ninety thousand, nine hundred one".