209202190151 has 2 divisors, whose sum is σ = 209202190152. Its totient is φ = 209202190150.

The previous prime is 209202190117. The next prime is 209202190181. The reversal of 209202190151 is 151091202902.

209202190151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 209202190151 - 2²² = 209197995847 is a prime.

It is a super-2 number, since 2×209202190151² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (209202190181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104601095075 + 104601095076.

It is an arithmetic number, because the mean of its divisors is an integer number (104601095076).

Almost surely, 2^209202190151 is an apocalyptic number.

209202190151 is a deficient number, since it is larger than the sum of its proper divisors (1).

209202190151 is an equidigital number, since it uses as much as digits as its factorization.

209202190151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 32.

The spelling of 209202190151 in words is "two hundred nine billion, two hundred two million, one hundred ninety thousand, one hundred fifty-one".