2671563485 has 8 divisors (see below), whose sum is σ = 3284068536. Its totient is φ = 2085122560.

The previous prime is 2671563473. The next prime is 2671563487. The reversal of 2671563485 is 5843651762.

It can be written as a sum of positive squares in 4 ways, for example, as 534361 + 2671029124 = 731^2 + 51682^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2671563485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2671563487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6515804 + ... + 6516213.

It is an arithmetic number, because the mean of its divisors is an integer number (410508567).

Almost surely, 2^2671563485 is an apocalyptic number.

It is an amenable number.

2671563485 is a deficient number, since it is larger than the sum of its proper divisors (612505051).

2671563485 is a wasteful number, since it uses less digits than its factorization.

2671563485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13032063.

The product of its digits is 1209600, while the sum is 47.

The square root of 2671563485 is about 51687.1694427157. The cubic root of 2671563485 is about 1387.5708457184.

The spelling of 2671563485 in words is "two billion, six hundred seventy-one million, five hundred sixty-three thousand, four hundred eighty-five".