5351109989 has 4 divisors (see below), whose sum is σ = 5390169324. Its totient is φ = 5312050656.

The previous prime is 5351109977. The next prime is 5351109997. The reversal of 5351109989 is 9899011535.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3174420964 + 2176689025 = 56342^2 + 46655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5351109989 is a prime.

It is a super-2 number, since 2×5351109989² = 57268756228751160242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5351109949) 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, 19529462 + ... + 19529735.

It is an arithmetic number, because the mean of its divisors is an integer number (1347542331).

Almost surely, 2^5351109989 is an apocalyptic number.

It is an amenable number.

5351109989 is a deficient number, since it is larger than the sum of its proper divisors (39059335).

5351109989 is a wasteful number, since it uses less digits than its factorization.

5351109989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39059334.

The product of its (nonzero) digits is 437400, while the sum is 50.

The square root of 5351109989 is about 73151.2815267101. The cubic root of 5351109989 is about 1749.0999441307.

The spelling of 5351109989 in words is "five billion, three hundred fifty-one million, one hundred nine thousand, nine hundred eighty-nine".