5291645519 has 4 divisors (see below), whose sum is σ = 5293497960. Its totient is φ = 5289793080.

The previous prime is 5291645509. The next prime is 5291645543. The reversal of 5291645519 is 9155461925.

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

It is a cyclic number.

It is not a de Polignac number, because 5291645519 - 2¹⁶ = 5291579983 is a prime.

It is a super-2 number, since 2×5291645519² = 56003024597505558722, 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 (5291645509) by changing a digit.

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, 921929 + ... + 927650.

It is an arithmetic number, because the mean of its divisors is an integer number (1323374490).

Almost surely, 2^5291645519 is an apocalyptic number.

5291645519 is a deficient number, since it is larger than the sum of its proper divisors (1852441).

5291645519 is a wasteful number, since it uses less digits than its factorization.

5291645519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852440.

The product of its digits is 486000, while the sum is 47.

The square root of 5291645519 is about 72743.6974520817. The cubic root of 5291645519 is about 1742.5968094464.

The spelling of 5291645519 in words is "five billion, two hundred ninety-one million, six hundred forty-five thousand, five hundred nineteen".