198292851749 has 16 divisors (see below), whose sum is σ = 212539578048. Its totient is φ = 184334184192.

The previous prime is 198292851671. The next prime is 198292851761. The reversal of 198292851749 is 947158292891.

It is a cyclic number.

It is not a de Polignac number, because 198292851749 - 2¹² = 198292847653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198292851349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6527654 + ... + 6557960.

It is an arithmetic number, because the mean of its divisors is an integer number (13283723628).

Almost surely, 2^198292851749 is an apocalyptic number.

It is an amenable number.

198292851749 is a deficient number, since it is larger than the sum of its proper divisors (14246726299).

198292851749 is a wasteful number, since it uses less digits than its factorization.

198292851749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35044.

The product of its digits is 26127360, while the sum is 65.

The spelling of 198292851749 in words is "one hundred ninety-eight billion, two hundred ninety-two million, eight hundred fifty-one thousand, seven hundred forty-nine".