3654116540519 has 2 divisors, whose sum is σ = 3654116540520. Its totient is φ = 3654116540518.

The previous prime is 3654116540507. The next prime is 3654116540563. The reversal of 3654116540519 is 9150456114563.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3654116540519 is a prime.

It is a super-2 number, since 2×3654116540519² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3654116549519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827058270259 + 1827058270260.

It is an arithmetic number, because the mean of its divisors is an integer number (1827058270260).

Almost surely, 2^{3654116540519} is an apocalyptic number.

3654116540519 is a deficient number, since it is larger than the sum of its proper divisors (1).

3654116540519 is an equidigital number, since it uses as much as digits as its factorization.

3654116540519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 3654116540519 in words is "three trillion, six hundred fifty-four billion, one hundred sixteen million, five hundred forty thousand, five hundred nineteen".