5280644319 has 4 divisors (see below), whose sum is σ = 7040859096. Its totient is φ = 3520429544.

The previous prime is 5280644309. The next prime is 5280644339. The reversal of 5280644319 is 9134460825.

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 5280644319 - 2²¹ = 5278547167 is a prime.

It is a super-2 number, since 2×5280644319² = 55770408847573947522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5280644309) 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, 880107384 + ... + 880107389.

It is an arithmetic number, because the mean of its divisors is an integer number (1760214774).

Almost surely, 2^5280644319 is an apocalyptic number.

5280644319 is a deficient number, since it is larger than the sum of its proper divisors (1760214777).

5280644319 is a wasteful number, since it uses less digits than its factorization.

5280644319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760214776.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 5280644319 is about 72668.0419372918. The cubic root of 5280644319 is about 1741.3883664128.

The spelling of 5280644319 in words is "five billion, two hundred eighty million, six hundred forty-four thousand, three hundred nineteen".