5434512161 has 4 divisors (see below), whose sum is σ = 5852551572. Its totient is φ = 5016472752.

The previous prime is 5434512121. The next prime is 5434512173. The reversal of 5434512161 is 1612154345.

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 880961761 + 4553550400 = 29681^2 + 67480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5434512161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5434512121) 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, 209019686 + ... + 209019711.

It is an arithmetic number, because the mean of its divisors is an integer number (1463137893).

Almost surely, 2^5434512161 is an apocalyptic number.

It is an amenable number.

5434512161 is a deficient number, since it is larger than the sum of its proper divisors (418039411).

5434512161 is a wasteful number, since it uses less digits than its factorization.

5434512161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418039410.

The product of its digits is 14400, while the sum is 32.

The square root of 5434512161 is about 73719.1437891136. The cubic root of 5434512161 is about 1758.1402705382.

The spelling of 5434512161 in words is "five billion, four hundred thirty-four million, five hundred twelve thousand, one hundred sixty-one".