5145645719 has 2 divisors, whose sum is σ = 5145645720. Its totient is φ = 5145645718.

The previous prime is 5145645689. The next prime is 5145645733. The reversal of 5145645719 is 9175465415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5145645719 - 2¹² = 5145641623 is a prime.

It is a super-2 number, since 2×5145645719² = 52955339730926053922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5145645419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572822859 + 2572822860.

It is an arithmetic number, because the mean of its divisors is an integer number (2572822860).

Almost surely, 2^5145645719 is an apocalyptic number.

5145645719 is a deficient number, since it is larger than the sum of its proper divisors (1).

5145645719 is an equidigital number, since it uses as much as digits as its factorization.

5145645719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 47.

The square root of 5145645719 is about 71733.1563434929. The cubic root of 5145645719 is about 1726.4206703251.

The spelling of 5145645719 in words is "five billion, one hundred forty-five million, six hundred forty-five thousand, seven hundred nineteen".