5145644519 has 2 divisors, whose sum is σ = 5145644520. Its totient is φ = 5145644518.

The previous prime is 5145644453. The next prime is 5145644527. The reversal of 5145644519 is 9154465415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5145644519 - 2²⁰ = 5144595943 is a prime.

It is a super-2 number, since 2×5145644519² = 52955315031829482722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5145644519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5145644599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572822259 + 2572822260.

It is an arithmetic number, because the mean of its divisors is an integer number (2572822260).

Almost surely, 2^5145644519 is an apocalyptic number.

5145644519 is a deficient number, since it is larger than the sum of its proper divisors (1).

5145644519 is an equidigital number, since it uses as much as digits as its factorization.

5145644519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 44.

The square root of 5145644519 is about 71733.1479791595. The cubic root of 5145644519 is about 1726.4205361207.

The spelling of 5145644519 in words is "five billion, one hundred forty-five million, six hundred forty-four thousand, five hundred nineteen".