5409987365 has 4 divisors (see below), whose sum is σ = 6491984844. Its totient is φ = 4327989888.

The previous prime is 5409987307. The next prime is 5409987379. The reversal of 5409987365 is 5637899045.

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 1169503204 + 4240484161 = 34198^2 + 65119^2 .

It is a cyclic number.

It is not a de Polignac number, because 5409987365 - 2¹⁰ = 5409986341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5409987365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540998732 + ... + 540998741.

It is an arithmetic number, because the mean of its divisors is an integer number (1622996211).

Almost surely, 2^5409987365 is an apocalyptic number.

It is an amenable number.

5409987365 is a deficient number, since it is larger than the sum of its proper divisors (1081997479).

5409987365 is a wasteful number, since it uses less digits than its factorization.

5409987365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081997478.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The square root of 5409987365 is about 73552.6163028889. The cubic root of 5409987365 is about 1755.4915780012.

The spelling of 5409987365 in words is "five billion, four hundred nine million, nine hundred eighty-seven thousand, three hundred sixty-five".