190833420177009 has 27 divisors (see below), whose sum is σ = 276423436394937. Its totient is φ = 126865513374984.

The previous prime is 190833420176989. The next prime is 190833420177019. The reversal of 190833420177009 is 900771024338091.

The square root of 190833420177009 is 13814247.

It is a perfect power (a square), and thus also a powerful number.

190833420177009 is a `hidden beast` number, since 19 + 0 + 8 + 33 + 420 + 177 + 0 + 0 + 9 = 666.

It is not a de Polignac number, because 190833420177009 - 2³¹ = 190831272693361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190833420177019) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15209479674 + ... + 15209492220.

Almost surely, 2^{190833420177009} is an apocalyptic number.

190833420177009 is the 13814247-th square number.

190833420177009 is the 6907124-th centered octagonal number.

It is an amenable number.

190833420177009 is a deficient number, since it is larger than the sum of its proper divisors (85590016217928).

190833420177009 is an frugal number, since it uses more digits than its factorization.

190833420177009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25834 (or 12917 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 190833420177009 in words is "one hundred ninety trillion, eight hundred thirty-three billion, four hundred twenty million, one hundred seventy-seven thousand, nine".