10198801460257 has 4 divisors (see below), whose sum is σ = 10201243121476. Its totient is φ = 10196359799040.

The previous prime is 10198801460147. The next prime is 10198801460269. The reversal of 10198801460257 is 75206410889101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9420946254736 + 777855205521 = 3069356^2 + 881961^2 .

It is a cyclic number.

It is not a de Polignac number, because 10198801460257 - 2⁷ = 10198801460129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10198801460657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220824344 + ... + 1220832697.

It is an arithmetic number, because the mean of its divisors is an integer number (2550310780369).

Almost surely, 2^{10198801460257} is an apocalyptic number.

It is an amenable number.

10198801460257 is a deficient number, since it is larger than the sum of its proper divisors (2441661219).

10198801460257 is an equidigital number, since it uses as much as digits as its factorization.

10198801460257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441661218.

The product of its (nonzero) digits is 967680, while the sum is 52.

The spelling of 10198801460257 in words is "ten trillion, one hundred ninety-eight billion, eight hundred one million, four hundred sixty thousand, two hundred fifty-seven".