4365453416561 has 4 divisors (see below), whose sum is σ = 4387613078772. Its totient is φ = 4343293754352.

The previous prime is 4365453416549. The next prime is 4365453416593. The reversal of 4365453416561 is 1656143545634.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4302637518400 + 62815898161 = 2074280^2 + 250631^2 .

It is a cyclic number.

It is not a de Polignac number, because 4365453416561 - 2¹⁰ = 4365453415537 is a prime.

It is a super-3 number, since 3×4365453416561³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4365453416521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11079830810 + ... + 11079831203.

It is an arithmetic number, because the mean of its divisors is an integer number (1096903269693).

Almost surely, 2^{4365453416561} is an apocalyptic number.

It is an amenable number.

4365453416561 is a deficient number, since it is larger than the sum of its proper divisors (22159662211).

4365453416561 is a wasteful number, since it uses less digits than its factorization.

4365453416561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22159662210.

The product of its digits is 15552000, while the sum is 53.

The spelling of 4365453416561 in words is "four trillion, three hundred sixty-five billion, four hundred fifty-three million, four hundred sixteen thousand, five hundred sixty-one".