4898193996851 has 4 divisors (see below), whose sum is σ = 4923573240552. Its totient is φ = 4872814753152.

The previous prime is 4898193996847. The next prime is 4898193996877. The reversal of 4898193996851 is 1586993918984.

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

It is a cyclic number.

It is not a de Polignac number, because 4898193996851 - 2² = 4898193996847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4898193996881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12689621561 + ... + 12689621946.

It is an arithmetic number, because the mean of its divisors is an integer number (1230893310138).

Almost surely, 2^{4898193996851} is an apocalyptic number.

4898193996851 is a deficient number, since it is larger than the sum of its proper divisors (25379243701).

4898193996851 is a wasteful number, since it uses less digits than its factorization.

4898193996851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25379243700.

The product of its digits is 1209323520, while the sum is 80.

The spelling of 4898193996851 in words is "four trillion, eight hundred ninety-eight billion, one hundred ninety-three million, nine hundred ninety-six thousand, eight hundred fifty-one".