199205038942951 has 2 divisors, whose sum is σ = 199205038942952. Its totient is φ = 199205038942950.

The previous prime is 199205038942909. The next prime is 199205038942993. The reversal of 199205038942951 is 159249830502991.

It is a balanced prime because it is at equal distance from previous prime (199205038942909) and next prime (199205038942993).

It is a cyclic number.

It is not a de Polignac number, because 199205038942951 - 2¹⁹ = 199205038418663 is a prime.

It is a super-3 number, since 3×199205038942951³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199205038442951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99602519471475 + 99602519471476.

It is an arithmetic number, because the mean of its divisors is an integer number (99602519471476).

Almost surely, 2^{199205038942951} is an apocalyptic number.

199205038942951 is a deficient number, since it is larger than the sum of its proper divisors (1).

199205038942951 is an equidigital number, since it uses as much as digits as its factorization.

199205038942951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62985600, while the sum is 67.

The spelling of 199205038942951 in words is "one hundred ninety-nine trillion, two hundred five billion, thirty-eight million, nine hundred forty-two thousand, nine hundred fifty-one".