2671671517 has 2 divisors, whose sum is σ = 2671671518. Its totient is φ = 2671671516.

The previous prime is 2671671463. The next prime is 2671671599. The reversal of 2671671517 is 7151761762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1855369476 + 816302041 = 43074^2 + 28571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2671671517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2671671017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335835758 + 1335835759.

It is an arithmetic number, because the mean of its divisors is an integer number (1335835759).

Almost surely, 2^2671671517 is an apocalyptic number.

It is an amenable number.

2671671517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2671671517 is an equidigital number, since it uses as much as digits as its factorization.

2671671517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 43.

The square root of 2671671517 is about 51688.2144884112. The cubic root of 2671671517 is about 1387.5895488778.

The spelling of 2671671517 in words is "two billion, six hundred seventy-one million, six hundred seventy-one thousand, five hundred seventeen".