10198705745 has 8 divisors (see below), whose sum is σ = 12248396160. Its totient is φ = 8152331760.

The previous prime is 10198705691. The next prime is 10198705817. The reversal of 10198705745 is 54750789101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10198705745 - 2¹⁰ = 10198704721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10198705745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822335 + ... + 834644.

It is an arithmetic number, because the mean of its divisors is an integer number (1531049520).

Almost surely, 2^10198705745 is an apocalyptic number.

It is an amenable number.

10198705745 is a deficient number, since it is larger than the sum of its proper divisors (2049690415).

10198705745 is a wasteful number, since it uses less digits than its factorization.

10198705745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658215.

The product of its (nonzero) digits is 352800, while the sum is 47.

The spelling of 10198705745 in words is "ten billion, one hundred ninety-eight million, seven hundred five thousand, seven hundred forty-five".