198102946907 has 2 divisors, whose sum is σ = 198102946908. Its totient is φ = 198102946906.

The previous prime is 198102946901. The next prime is 198102946963. The reversal of 198102946907 is 709649201891.

It is an a-pointer prime, because the next prime (198102946963) can be obtained adding 198102946907 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198102946907 - 2⁸ = 198102946651 is a prime.

It is not a weakly prime, because it can be changed into another prime (198102946901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99051473453 + 99051473454.

It is an arithmetic number, because the mean of its divisors is an integer number (99051473454).

Almost surely, 2^198102946907 is an apocalyptic number.

198102946907 is a deficient number, since it is larger than the sum of its proper divisors (1).

198102946907 is an equidigital number, since it uses as much as digits as its factorization.

198102946907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The spelling of 198102946907 in words is "one hundred ninety-eight billion, one hundred two million, nine hundred forty-six thousand, nine hundred seven".