8261303049 has 16 divisors (see below), whose sum is σ = 12307348800. Its totient is φ = 5476763808.

The previous prime is 8261303041. The next prime is 8261303059. The reversal of 8261303049 is 9403031628.

8261303049 is a `hidden beast` number, since 8 + 2 + 613 + 0 + 30 + 4 + 9 = 666.

It is not a de Polignac number, because 8261303049 - 2³ = 8261303041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8261303041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849844 + ... + 859509.

It is an arithmetic number, because the mean of its divisors is an integer number (769209300).

Almost surely, 2^8261303049 is an apocalyptic number.

It is an amenable number.

8261303049 is a deficient number, since it is larger than the sum of its proper divisors (4046045751).

8261303049 is a wasteful number, since it uses less digits than its factorization.

8261303049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709541 (or 1709535 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 8261303049 is about 90891.7105626250. The cubic root of 8261303049 is about 2021.5423838273.

The spelling of 8261303049 in words is "eight billion, two hundred sixty-one million, three hundred three thousand, forty-nine".