5419008509 has 4 divisors (see below), whose sum is σ = 5419160640. Its totient is φ = 5418856380.

The previous prime is 5419008467. The next prime is 5419008521. The reversal of 5419008509 is 9058009145.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5419008509 - 2³² = 1124041213 is a prime.

It is a super-2 number, since 2×5419008509² = 58731306441228806162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5419008109) 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, 9302 + ... + 104520.

It is an arithmetic number, because the mean of its divisors is an integer number (1354790160).

Almost surely, 2^5419008509 is an apocalyptic number.

It is an amenable number.

5419008509 is a deficient number, since it is larger than the sum of its proper divisors (152131).

5419008509 is an equidigital number, since it uses as much as digits as its factorization.

5419008509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152130.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 5419008509 is about 73613.9151859212. The cubic root of 5419008509 is about 1756.4667958052.

The spelling of 5419008509 in words is "five billion, four hundred nineteen million, eight thousand, five hundred nine".