4591011049 has 3 divisors (see below), whose sum is σ = 4591078807. Its totient is φ = 4590943292.

The previous prime is 4591011031. The next prime is 4591011053. The reversal of 4591011049 is 9401101954.

The square root of 4591011049 is 67757.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 4409624025 + 181387024 = 66405^2 + 13468^2 .

It is not a de Polignac number, because 4591011049 - 2²¹ = 4588913897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4591011149) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 33879 + ... + 101635.

Almost surely, 2^4591011049 is an apocalyptic number.

4591011049 is the 67757-th square number.

4591011049 is the 33879-th centered octagonal number.

It is an amenable number.

4591011049 is a deficient number, since it is larger than the sum of its proper divisors (67758).

4591011049 is an frugal number, since it uses more digits than its factorization.

4591011049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135514 (or 67757 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The cubic root of 4591011049 is about 1662.0194912911.

The spelling of 4591011049 in words is "four billion, five hundred ninety-one million, eleven thousand, forty-nine".