5198666913 has 24 divisors (see below), whose sum is σ = 8495244576. Its totient is φ = 3150705600.

The previous prime is 5198666897. The next prime is 5198666927. The reversal of 5198666913 is 3196668915.

It is not a de Polignac number, because 5198666913 - 2⁴ = 5198666897 is a prime.

It is a super-2 number, since 2×5198666913² = 54052275344641899138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5198666913.

It is not an unprimeable number, because it can be changed into a prime (5198666953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 969768 + ... + 975113.

It is an arithmetic number, because the mean of its divisors is an integer number (353968524).

Almost surely, 2^5198666913 is an apocalyptic number.

It is an amenable number.

5198666913 is a deficient number, since it is larger than the sum of its proper divisors (3296577663).

5198666913 is a wasteful number, since it uses less digits than its factorization.

5198666913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944907 (or 1944895 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 5198666913 is about 72101.7816215383. The cubic root of 5198666913 is about 1732.3301503248.

The spelling of 5198666913 in words is "five billion, one hundred ninety-eight million, six hundred sixty-six thousand, nine hundred thirteen".