1912650919195 has 4 divisors (see below), whose sum is σ = 2295181103040. Its totient is φ = 1530120735352.

The previous prime is 1912650919189. The next prime is 1912650919199. The reversal of 1912650919195 is 5919190562191.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1912650919195 - 2⁹ = 1912650918683 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1912650919199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191265091915 + ... + 191265091924.

It is an arithmetic number, because the mean of its divisors is an integer number (573795275760).

Almost surely, 2^{1912650919195} is an apocalyptic number.

1912650919195 is a deficient number, since it is larger than the sum of its proper divisors (382530183845).

1912650919195 is an equidigital number, since it uses as much as digits as its factorization.

1912650919195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382530183844.

The product of its (nonzero) digits is 1968300, while the sum is 58.

The spelling of 1912650919195 in words is "one trillion, nine hundred twelve billion, six hundred fifty million, nine hundred nineteen thousand, one hundred ninety-five".