7145654519 has 2 divisors, whose sum is σ = 7145654520. Its totient is φ = 7145654518.

The previous prime is 7145654459. The next prime is 7145654531. The reversal of 7145654519 is 9154565417.

It is a strong prime.

It is an emirp because it is prime and its reverse (9154565417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7145654519 - 2³² = 2850687223 is a prime.

It is a super-2 number, since 2×7145654519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7145654819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572827259 + 3572827260.

It is an arithmetic number, because the mean of its divisors is an integer number (3572827260).

Almost surely, 2^7145654519 is an apocalyptic number.

7145654519 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145654519 is an equidigital number, since it uses as much as digits as its factorization.

7145654519 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 7145654519 is about 84531.9733532821. The cubic root of 7145654519 is about 1926.1081622132.

The spelling of 7145654519 in words is "seven billion, one hundred forty-five million, six hundred fifty-four thousand, five hundred nineteen".