5351980909 has 4 divisors (see below), whose sum is σ = 5838524640. Its totient is φ = 4865437180.

The previous prime is 5351980813. The next prime is 5351980937. The reversal of 5351980909 is 9090891535.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5351980909 - 2⁹ = 5351980397 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5351980999) 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 3 ways as a sum of consecutive naturals, for example, 243271849 + ... + 243271870.

It is an arithmetic number, because the mean of its divisors is an integer number (1459631160).

Almost surely, 2^5351980909 is an apocalyptic number.

It is an amenable number.

5351980909 is a deficient number, since it is larger than the sum of its proper divisors (486543731).

5351980909 is a wasteful number, since it uses less digits than its factorization.

5351980909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486543730.

The product of its (nonzero) digits is 437400, while the sum is 49.

The square root of 5351980909 is about 73157.2341535682. The cubic root of 5351980909 is about 1749.1948305805.

The spelling of 5351980909 in words is "five billion, three hundred fifty-one million, nine hundred eighty thousand, nine hundred nine".