5198981967139 has 4 divisors (see below), whose sum is σ = 5199343800840. Its totient is φ = 5198620133440.

The previous prime is 5198981967133. The next prime is 5198981967167. The reversal of 5198981967139 is 9317691898915.

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 5198981967139 - 2⁵ = 5198981967107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5198981967133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180895297 + ... + 180924034.

It is an arithmetic number, because the mean of its divisors is an integer number (1299835950210).

Almost surely, 2^{5198981967139} is an apocalyptic number.

5198981967139 is a deficient number, since it is larger than the sum of its proper divisors (361833701).

5198981967139 is a wasteful number, since it uses less digits than its factorization.

5198981967139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361833700.

The product of its digits is 264539520, while the sum is 76.

The spelling of 5198981967139 in words is "five trillion, one hundred ninety-eight billion, nine hundred eighty-one million, nine hundred sixty-seven thousand, one hundred thirty-nine".