4521161347 has 4 divisors (see below), whose sum is σ = 4531460560. Its totient is φ = 4510862136.

The previous prime is 4521161329. The next prime is 4521161369. The reversal of 4521161347 is 7431611254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7431611254 = 2 ⋅3715805627.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4521161347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4521161147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5148948 + ... + 5149825.

It is an arithmetic number, because the mean of its divisors is an integer number (1132865140).

Almost surely, 2^4521161347 is an apocalyptic number.

4521161347 is a deficient number, since it is larger than the sum of its proper divisors (10299213).

4521161347 is a wasteful number, since it uses less digits than its factorization.

4521161347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10299212.

The product of its digits is 20160, while the sum is 34.

The square root of 4521161347 is about 67239.5816985799. The cubic root of 4521161347 is about 1653.5474758081.

The spelling of 4521161347 in words is "four billion, five hundred twenty-one million, one hundred sixty-one thousand, three hundred forty-seven".