196015563019 has 2 divisors, whose sum is σ = 196015563020. Its totient is φ = 196015563018.

The previous prime is 196015563011. The next prime is 196015563053. The reversal of 196015563019 is 910365510691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196015563019 - 2³ = 196015563011 is a prime.

It is a super-2 number, since 2×196015563019² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196015563019.

It is not a weakly prime, because it can be changed into another prime (196015563011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98007781509 + 98007781510.

It is an arithmetic number, because the mean of its divisors is an integer number (98007781510).

Almost surely, 2^196015563019 is an apocalyptic number.

196015563019 is a deficient number, since it is larger than the sum of its proper divisors (1).

196015563019 is an equidigital number, since it uses as much as digits as its factorization.

196015563019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 218700, while the sum is 46.

The spelling of 196015563019 in words is "one hundred ninety-six billion, fifteen million, five hundred sixty-three thousand, nineteen".