1354868519 has 2 divisors, whose sum is σ = 1354868520. Its totient is φ = 1354868518.

The previous prime is 1354868509. The next prime is 1354868563. The reversal of 1354868519 is 9158684531.

It is a weak prime.

It is an emirp because it is prime and its reverse (9158684531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1354868519 is a prime.

It is a super-2 number, since 2×1354868519² = 3671337407554506722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354868509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677434259 + 677434260.

It is an arithmetic number, because the mean of its divisors is an integer number (677434260).

Almost surely, 2^1354868519 is an apocalyptic number.

1354868519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354868519 is an equidigital number, since it uses as much as digits as its factorization.

1354868519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 50.

The square root of 1354868519 is about 36808.5386697163. The cubic root of 1354868519 is about 1106.5364317981.

The spelling of 1354868519 in words is "one billion, three hundred fifty-four million, eight hundred sixty-eight thousand, five hundred nineteen".