5198107621 has 36 divisors (see below), whose sum is σ = 6357424320. Its totient is φ = 4236447600.

The previous prime is 5198107613. The next prime is 5198107637. The reversal of 5198107621 is 1267018915.

It is a happy number.

It is not a de Polignac number, because 5198107621 - 2³ = 5198107613 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 (5198107661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2777316 + ... + 2779186.

It is an arithmetic number, because the mean of its divisors is an integer number (176595120).

Almost surely, 2^5198107621 is an apocalyptic number.

It is an amenable number.

5198107621 is a deficient number, since it is larger than the sum of its proper divisors (1159316699).

5198107621 is a wasteful number, since it uses less digits than its factorization.

5198107621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 5198107621 is about 72097.9030277580. The cubic root of 5198107621 is about 1732.2680245813.

The spelling of 5198107621 in words is "five billion, one hundred ninety-eight million, one hundred seven thousand, six hundred twenty-one".