10198895219687 has 2 divisors, whose sum is σ = 10198895219688. Its totient is φ = 10198895219686.

The previous prime is 10198895219647. The next prime is 10198895219719. The reversal of 10198895219687 is 78691259889101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10198895219687 - 2¹² = 10198895215591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10198895219627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5099447609843 + 5099447609844.

It is an arithmetic number, because the mean of its divisors is an integer number (5099447609844).

Almost surely, 2^{10198895219687} is an apocalyptic number.

10198895219687 is a deficient number, since it is larger than the sum of its proper divisors (1).

10198895219687 is an equidigital number, since it uses as much as digits as its factorization.

10198895219687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156764160, while the sum is 74.

The spelling of 10198895219687 in words is "ten trillion, one hundred ninety-eight billion, eight hundred ninety-five million, two hundred nineteen thousand, six hundred eighty-seven".