5517723819 has 4 divisors (see below), whose sum is σ = 7356965096. Its totient is φ = 3678482544.

The previous prime is 5517723797. The next prime is 5517723857. The reversal of 5517723819 is 9183277155.

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

It is not a de Polignac number, because 5517723819 - 2⁵ = 5517723787 is a prime.

It is a super-2 number, since 2×5517723819² = 60890552285519889522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5517723859) 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, 919620634 + ... + 919620639.

It is an arithmetic number, because the mean of its divisors is an integer number (1839241274).

Almost surely, 2^5517723819 is an apocalyptic number.

5517723819 is a deficient number, since it is larger than the sum of its proper divisors (1839241277).

5517723819 is a wasteful number, since it uses less digits than its factorization.

5517723819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839241276.

The product of its digits is 529200, while the sum is 48.

The square root of 5517723819 is about 74281.3827213791. The cubic root of 5517723819 is about 1767.0682332011.

The spelling of 5517723819 in words is "five billion, five hundred seventeen million, seven hundred twenty-three thousand, eight hundred nineteen".